Equations

Hong Kong

Stage 4 - Stage 5

Which of the following best describes a radical equation?

A radical equation is an equation where the variable is inside a radical.

A

A radical equation is an equation that does not have solutions.

B

A radical equation is an equation that has radical solutions.

C

A radical equation is an equation that has radical constants and/or coefficients.

D

Easy

Less than a minute

Is $3$3 a solution of the equation $\sqrt{x-2}-4=\sqrt{x+6}$√`x`−2−4=√`x`+6?

Which would be a correct first step for solving the equation $\left(x+7\right)^{\frac{3}{5}}=3$(`x`+7)35=3?

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