NZ Level 7 (NZC) Level 2 (NCEA) ## Interactive practice questions

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

C

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

D

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

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 $\sqrt{x-2}-4=\sqrt{x+6}$x24=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?

### Outcomes

#### M7-7

Form and use linear, quadratic, and simple trigonometric equations

#### 91257

Apply graphical methods in solving problems

#### 91261

Apply algebraic methods in solving problems