Matrices, GEN1 2024 VCAA 28 MC
A primary school is hosting a sports day.
Students represent one of four teams: blue
Students compete in one of three sports: football
Matrix
Matrix
Element
- 210 students represent the blue team.
- 210 students compete in netball.
- 280 students compete in tennis.
- 280 students compete in football.
Matrices, GEN1 2024 VCAA 26 MC
A market stall sells three types of candles.
The cost of each type of candle is shown in matrix
Towards the end of the day, the cost of each item is discounted by 15%.
Which one of the following expressions can be used to determine each discounted price?
Matrices, GEN1 2024 VCAA 25 MC
Matrix
Matrix
Matrix
The order of matrix
Data Analysis, GEN1 2024 VCAA 7 MC
Fiona plays nine holes of golf each week, and records her score.
Her mean score for all rounds in 2024 is 55.7
In one round, when she recorded a score of 48, her standardised score was
The standard deviation for score in 2024 is
- 1.1
- 2.3
- 4.4
- 6.95
Data Analysis, GEN1 2024 VCAA 5 MC
The number of siblings of each member of a class of 24 students was recorded.
The results are displayed in the table below.
A boxplot was constructed to display the spread of the data.
Which one of the following statements about this boxplot is correct?
- There are no outliers.
- The value of the interquartile range (IQR) is 1.5
- The value of the median is 1.5
- All of the five-number summary values are whole numbers.
Data Analysis, GEN1 2024 VCAA 2 MC
Freddie organised a function at work. He surveyed the staff about their preferences.
He asked them about their payment preference (cash or electronic payment) and their budget preference (less than $50 or more than $50).
The variables in this survey, payment preference and budget preference, are
- both categorical variables.
- both numerical variables.
- categorical and numerical variables, respectively.
- numerical and categorical variables, respectively.
Data Analysis, GEN1 2024 VCAA 1 MC
Complex Numbers, EXT2 N2 2024 HSC 7 MC
It is given that
What is the maximum possible value of
Mechanics, EXT2 M1 2024 HSC 15c
A bar magnet is held vertically. An object that is repelled by the magnet is to be dropped from directly above the magnet and will maintain a vertical trajectory. Let
The object is subject to acceleration due to gravity,
The object is released from rest at
- Show that
. (2 marks)
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- Find where the object next comes to rest, giving your answer correct to 1 decimal place. (2 marks)
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Vectors, EXT2 V1 2024 HSC 14e
The diagram shows triangle
The point
The point
The point
The point
Let
- Show that
. (2 marks)
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Writing
- Show that
. (2 marks)
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- Find
in terms of and . (2 marks)
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ENGINEERING, TE 2024 HSC 4 MC
Which row of the table correctly identifies characteristics of analogue and digital communications?
ENGINEERING, PPT 2024 HSC 3 MC
A simplified image of a bicycle chain drive is shown.
If a cyclist is pedalling at 70 revolutions per minute (RPM), what is the RPM of the driven wheel?
- 3.2
- 21.7
- 226.2
- 546.0
ENGINEERING, CS 2024 HSC 1 MC
A common house brick is shown.
Which forming process was used to manufacture the brick?
- Forging
- Extrusion
- Slip casting
- Shell moulding
Mechanics, EXT2 M1 2024 HSC 13c
A particle of unit mass moves horizontally in a straight line. It experiences a resistive force proportional to
Initially the particle is at the origin and has a velocity of 40 m s
- Show that
. (3 marks)
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- Show that
. (1 mark)
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- At what time will the particle's velocity be 30 m s
to the right? (3 marks)
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Vectors, EXT2 V1 2024 HSC 13a
The point
The point
- Show that
. (1 mark)
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- Hence, or otherwise, determine the shortest distance between the point
and the line . (2 marks)
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Vectors, EXT2 V1 2024 HSC 12e
The line
- Find a vector equation of the line
. (1 mark)
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- Determine, giving reasons, whether the point
lies on the line . (2 marks)
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Complex Numbers, EXT2 N1 2024 HSC 12c
Consider the equation
- Explain why
. (1 mark)
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- Hence, or otherwise, find
. (2 marks)
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Calculus, EXT2 C1 2024 HSC 12b
Use partial fractions to find
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Vectors, EXT2 V1 2024 HSC 12a
The vector
- Find
. (1 mark)
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- Show that
is perpendicular to . (2 marks)
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Complex Numbers, EXT2 N1 2024 HSC 11e
- Write the number
in modulus-argument form. (2 marks)
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- Hence, or otherwise, write
in exact Cartesian form. (2 marks)
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Calculus, EXT2 C1 2024 HSC 11d
Evaluate
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Vectors, EXT2 V1 2024 HSC 11c
Find the angle between the two vectors
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Calculus, EXT1 C3 2024 HSC 13a
In an experiment, the population of insects,
where
The diagram shows a direction field for this differential equation, with the point
- Explain why the graph of the solution that passes through the point
cannot also pass through the point . (1 mark)
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- Clearly sketch the graph of the solution that passes through the point
. (1 mark)
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- Find the predicted value of the population,
, at which the rate of growth of the population is largest. (2 marks)
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Proof, EXT1 P1 2024 HSC 12d
Use mathematical induction to prove that
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Calculus, EXT1 C3 2024 HSC 12b
The region,
What is the volume of the solid of revolution obtained when the region
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Vectors, EXT1 V1 2024 HSC 12a
The vectors
Find the possible values of
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Calculus, EXT1 C3 2024 HSC 11g
Calculus, EXT1 C1 2024 HSC 11f
The volume of a sphere of radius
Show that the rate of increase of the radius is given by
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Calculus, EXT1 C2 2024 HSC 11e
Differentiate the function
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Calculus, EXT1 C3 2024 HSC 11d
Solve the differential equation
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Calculus, EXT1 C2 2024 HSC 11c
Using the substitution
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Functions, EXT1 F1 2024 HSC 11b
Solve
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Vectors, EXT1 V1 2024 HSC 11a
Consider the vectors
- Find
. (1 mark)
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- Find
. (1 mark)
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CHEMISTRY, M2 EQ-Bank 2 MC
Which is the correct balanced formula equation for the reaction of potassium with water?
CHEMISTRY, M2 EQ-Bank 2
In an experiment, calcium carbonate
A student starts with 50.0 g of calcium carbonate. After heating, they collect 28.0 g of calcium oxide.
- Using the law of conservation of mass, calculate the mass of carbon dioxide gas produced in this reaction. (2 marks)
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- Explain how the law of conservation of mass applies to this reaction. (2 marks)
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CHEMISTRY, M2 EQ-Bank 1 MC
What numbers are required to correctly balance this equation?
__
CHEMISTRY, M2 EQ-Bank 13
- Calculate the volume of solution needed to obtain 0.6 moles of solute from a solution of concentration 1.2 mol/L. (1 mark)
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- Explain the significance of accurate volume measurements when preparing solutions of specific concentrations in the laboratory. (2 marks)
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CHEMISTRY, M2 EQ-Bank 12
- Calculate the amount (in moles) of a solute in a 2.0 L solution with a concentration of 0.75 mol/L. (1 mark)
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- Using your answer from part a, determine the mass of the solute if the solute is
. (2 marks)
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CHEMISTRY, M2 EQ-Bank 11 MC
A student prepares a solution of potassium nitrate by dissolving 0.05 kg of
Calculus, EXT1 C3 2024 HSC 2 MC
CHEMISTRY, M2 EQ-Bank 8 MC
A student prepares a standard solution of sodium chloride. They dissolve 5.85 g of sodium chloride
- 0.100 mol L
- 0.500 mol L
- 1.00 mol L
- 5.85 mol L
Trigonometry, EXT1 T1 2024 HSC 5 MC
Consider the function
Which transformations have been applied to
- Vertical dilation by a factor of
and a horizontal dilation by a factor of - Vertical dilation by a factor of
and a horizontal dilation by a factor of 3 - Vertical dilation by a factor of 2 and a horizontal dilation by a factor of
- Vertical dilation by a factor of 2 and a horizontal dilation by a factor of 3
Functions, EXT1 F2 2024 HSC 1 MC
The polynomial
What is the value of
CHEMISTRY, M2 EQ-Bank 5 MC
A standard solution is best described as:
- A solution prepared to an approximate concentration for general use.
- A solution with a precisely known concentration, used in quantitative chemical analysis.
- A solution containing only one type of solute molecule.
- A solution prepared by dissolving a solid solute in a small volume of solvent.
CHEMISTRY, M2 EQ-Bank 7
- 4.56 g of potassium chloride
is dissolved in 250 mL of water. What is the concentration of this solution? (2 marks)
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- How many grams of calcium chloride
will be needed to make 1.50 L of a 0.250 M solution? (2 marks)
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Probability, STD1 S2 2024 HSC 17
A wheel is shown with the numbers 0 to 19 marked.
A game is played where the wheel is spun until it stops.
When the wheel stops, a pointer points to the winning number. Each number is equally likely to win.
- List all the even numbers on the wheel that are greater than 7. (1 mark)
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- What is the probability that the winning number is NOT an even number greater than 7? (2 marks)
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Financial Maths, STD1 F3 2024 HSC 5 MC
A car is valued at $25 000 when new. Its value depreciates by 25% per annum.
Which of the following best describes the change in value of the car after one year?
- Decrease of $1000
- Increase of $1000
- Decrease of $6250
- Increase of $6250
Probability, STD1 S2 2024 HSC 1 MC
Mark buys one raffle ticket in a raffle with 1000 tickets.
Which of the following best describes the probability that Mark wins?
- Certain
- Even chance
- Unlikely
- Impossible
Complex Numbers, EXT2 N2 2024 HSC 4 MC
A monic polynomial,
Which of the following could be
Vectors, EXT2 V1 2024 HSC 1 MC
Which of the following vectors is perpendicular to
Networks, STD1 N1 2024 HSC 15
A network of towns and the distances between them in kilometres is shown.
- What is the shortest path from
to ? (2 marks)
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- A truck driver needs to travel from
to but knows that the road from to is closed. - What is the length of the shortest path the truck driver can take from
to after the road closure? (2 marks)
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Algebra, STD2 A1 2024 HSC 24
Sarah, a 60 kg female, consumes 3 glasses of wine at a family dinner over 2.5 hours.
Note: there are 1.2 standard drinks in one glass of wine.
The blood alcohol content
where |
= number of standard drinks | |
= number of hours drinking | ||
= mass in kilograms |
- Calculate Sarah's
at the end of the dinner, correct to 3 decimal places. (2 marks)
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-
The time it takes a person's BAC to reach zero is given by
Calculate the time it takes for Sarah's BAC to return to zero, assuming she stopped drinking after 2.5 hours. Give your answer to the nearest minute. (2 marks)
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Financial Maths, STD2 F1 2024 HSC 23
Zazu works a 38-hour week and is paid at an hourly rate of $45. Any overtime hours worked are paid at time-and-a-half.
In a particular week, Zazu worked the regular 38 hours and some overtime hours. In that week Zazu earned $2790.
How many hours of overtime did Zazu work in that week? (3 marks)
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Networks, STD2 N2 2024 HSC 16
A network of towns and the distances between them in kilometres is shown.
- What is the shortest path from
to ? (2 marks)
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- A truck driver needs to travel from
to but knows that the road from to is closed. - What is the length of the shortest path the truck driver can take from
to after the road closure? (2 marks)
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Statistics, 2ADV S2 2024 HSC 21
A researcher is studying anacondas (a type of snake).
A dataset recording the age (in years) and length (in cm) of female and male anacondas is displayed on the graph.
Anacondas reach maturity at about 4 years of age.
Write THREE observations about anacondas that may be made from the scatterplot. (Note: No calculations are required.) (3 marks)
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Calculus, 2ADV C3 2024 HSC 17
In a particular electrical circuit, the voltage
where
- Draw a sketch of the graph of
, showing its behaviour as increases. (2 marks)
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- When
, the voltage across the capacitor is 2.6 volts. - Find the value of
, correct to 3 decimal places. (2 marks)
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- Find the rate at which the voltage is increasing when
, correct to 3 decimal places. (2 marks)
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CHEMISTRY, M2 EQ-Bank 8 MC
represents which gas law?
- Boyle’s Law
- Charles’ Law
- Avogadro’s Law
- Gay-Lussac’s Law
CHEMISTRY, M2 EQ-Bank 7 MC
According to Gay-Lussac's Law, the pressure of a gas is directly proportional to which quantity, assuming the volume and the number of moles are constant?
- Volume
- Temperature
- Moles
- Pressure
Calculus, 2ADV C4 2024 HSC 27
- Find the derivative of
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- Hence, find
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