Task Sets: Use square root and cube root symbols to represent solutions to equations - Common Core Math - Grade 8

1.

Which of the following are all the real solutions to the equation $x^2 = 49$ ?

A.

$x = 7$

B.

$x = -7$

C.

$x = 49$

D.

$x = \pm 7$

2.

Evaluate $\sqrt{121}$ .

3.

Solve the equation $x^3 = 64$ .

4.

Evaluate $\sqrt[3]{125}$ .

5.

Evaluate $\sqrt{\frac{9}{16}}$ .

6.

Solve the equation $x^2 = \frac{25}{36}$ .

A.

$x = \frac{5}{6}$

B.

$x = \pm \frac{5}{6}$

C.

$x = \frac{25}{6}$

D.

$x = \pm \frac{6}{5}$

Square Roots and Cube Roots: Solving Equations