Solve for `a` given `8a^3+21=0.`
Round your answer to two decimal places. (2 marks)
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Quadratics and Cubics, SMB-043
Solve for `p` given `64p^3+125=0.` (2 marks)
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Quadratics and Cubics, SMB-042
Solve for `x` given `8x^3=27`. (2 marks)
Non-Linear, SMB-024
The volume of a sphere is given by `V = 4/3 pi r^3` where `r` is the radius of the sphere.
If the volume of a sphere is `220\ text(cm)^3`, find the radius, to 1 decimal place. (3 marks)
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Non-Linear, SMB-023
Make `r` the subject of the equation `V = 4/3 pir^3`. (3 marks)