Year 8 maths · C.8 · Square roots and cube roots
Solve equations with cubes
Take the root of both sides to undo the power.
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Solve x³ = 125.
Answer: 5
Solve a³ = 64.
Answer: 4
Solve y³ = −8.
Answer: -2
Tip: Take the root of both sides to undo the power.
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