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1.10 Solve cubic equations

Interactive practice questions

Solve the following equation:

$x^3-125=0$x3125=0

Easy
< 1min

In this question we will be investigating the number of real solutions to the equation $x^3-512=0$x3512=0.

Easy
4min

Solve the following equation:

$3x^3=5x^2$3x3=5x2

Easy
2min

Solve the equation $x^3=-8$x3=8.

Easy
< 1min
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Outcomes

1.2.4.5

solve cubic equations using technology, and algebraically in cases where a linear factor is easily obtained

1.2.4.7

solve equations involving combinations of the functions above, using technology where appropriate

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