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v1 Functions, 2ADV F1 2009 HSC 1a

Sketch the graph of  \(y+\dfrac{x}{3} = 2\), showing the intercepts on both axes.   (2 marks)

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\(y+\dfrac{x}{3} = 2\ \ \Rightarrow\ \ y=-\dfrac{1}{3}x+2\)

\(y\text{-intercept}\ = 2\)

\(\text{Find}\ x\ \text{when}\ y=0:\)

\(\dfrac{x}{3}=2\ \ \Rightarrow\ \ x=6\)
 

Filed Under: Linear Equations and Basic Graphs (Std 2-X) Tagged With: Band 3, common-content, num-title-ct-pathc, num-title-qs-hsc, smc-4422-35-Sketch graph, smc-792-25-Sketch Line, smc-985-30-Coordinate Geometry

Algebra, STD2 A2 SM-Bank 1

Sketch the graph of  `y - 2x = 3`, showing the intercepts on both axes.   (2 marks)

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`y-2x=3\ \ => \ \ y=2x+3`

 

Filed Under: Linear Equations and Basic Graphs (Std 1), Linear Equations and Basic Graphs (Std 2), Linear Relationships and Basic Graphs (Std2-2027) Tagged With: Band 3, smc-1118-25-Sketch Line, smc-6255-30-Sketch Line, smc-792-25-Sketch Line

Algebra, STD2 A4 2017 HSC 17 MC

The graph of the line with equation  `y = 6 - 2x`  is shown.
 

When the graph of the line with equation  `y = x + 3`  is also drawn on this number plane, what will be the point of intersection of the two lines?

A.     `(0, 6)`

B.     `(1, 4)`

C.     `(2, 2)`

D.     `(3, 0)`

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`text(B)`

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`text(Solution 1)`

`text(From graph, intersection at (1,4))`
 

`=>B`
 

`text(Solution 2)`

`y` `= 6 – 2x` `…\ (1)`
`y` `= x + 3` `…\ (2)`

 
`text{Substitute (2) into (1)}`

`x + 3` `= 6 – 2x`
`3x` `= 3`
`x` `= 1`

 
`text(When)\ \ x = 1, y = 4`

`=>B`

Filed Under: A3 Types of Relationships (Y12), AM2 - Linear Relationships (Prelim), Linear Equations and Basic Graphs (Std 2), Linear Relationships and Basic Graphs (Std2-2027), Simultaneous Equations and Applications (Std 2) Tagged With: Band 4, smc-1099-30-Find intersection, smc-1099-40-Sketch equations, smc-6255-30-Sketch Line, smc-792-25-Sketch Line, smc-792-40-Other, smc-794-20-Find Intersection, smc-794-30-Sketch Linear Equations

Functions, 2ADV F1 2009 HSC 1a

Sketch the graph of  `y-2x = 3`, showing the intercepts on both axes.   (2 marks)

--- 8 WORK AREA LINES (style=lined) ---

Show Answers Only

 

Show Worked Solution

`y-2x=3\ \ =>\ \ y=2x+3`

`ytext{-intercept}\ = 3`

`text{Find}\ x\ text{when}\ y=0:`

`0-2x=3\ \ =>\ \ x=-3/2`
 

Filed Under: 6. Linear Functions, Cartesian Plane, Linear Equations and Basic Graphs (Std 2), Linear Functions (Adv-2027), Linear Functions (Y11) Tagged With: Band 3, common-content, num-title-ct-pathc, num-title-qs-hsc, smc-4422-35-Sketch graph, smc-6214-05-Coordinate Geometry, smc-792-25-Sketch Line, smc-985-30-Coordinate Geometry

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