Solve by taking square roots. $$x^2=12$$ Hint: Remember to simplify your answer!

$$\left\{\pm\ 2\sqrt{3}\right\}$$

Find the x-intercept(s) by taking square roots. $$\left(x-1\right)^2=6$$

$$\left\{1\pm\sqrt{6}\right\}$$

$$\left\{\pm\sqrt{6}-1\right\}$$

$$\left\{1\pm\sqrt{3}\right\}$$

Solve by taking square roots. $$\left(2x+1\right)^2=4$$

$$\left\{-\frac{3}{2},\ \frac{1}{2}\right\}$$

$$\left\{\pm\ \frac{1}{2}\right\}$$

$$\left\{-\frac{1}{2},\ \frac{3}{2}\right\}$$

Find the zero(s) by taking square roots. $$\left(3x+8\right)^2=36$$

$$\left\{-\frac{14}{3},\ -\frac{2}{3}\right\}$$

$$\left\{-\frac{2}{3},\ 0\right\}$$

$$\left\{\frac{2}{3},\ \frac{14}{3}\right\}$$

$$\left\{\frac{28}{3}\right\}$$

Solve Equations by Square Root

Quiz

•

Mathematics

•

9th - 10th Grade

•

Practice Problem

•

Hard

•

CCSS

HSA-REI.B.4B, 8.EE.A.2, HSN.CN.C.7

Standards-aligned

Barbara White

FREE Resource

22 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Solve by taking the square root:
x² = 49

-7

7

49

-7, 7

Tags

CCSS.HSA-REI.B.4B

2.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Solve by taking the square root:
4x² = 100

-10, 10

-25, 25

-5, 5

5

Tags

CCSS.8.EE.A.2

3.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

x²= 8

x = ±4

x = ±2√2

x = ±4√2

x = ±√4

Tags

CCSS.8.EE.A.2

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

2x²=100

x = √25

x = ±5√2

x = √100

x = ±√5

Tags

CCSS.8.EE.A.2

5.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

x² -4 = 77

9

-9

No Real Solutions

9, -9

Tags

CCSS.8.EE.A.2

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Solve by taking square roots:
3 + 9r² = 12

r = 0

no solution

r = 3, r = -3

r = 1, r = -1

Tags

CCSS.8.EE.A.2

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Solve for x:
(x+6)²=49

x=7,12

x=±7

x=1,-13

x=43,-55

Tags

CCSS.8.EE.A.2

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Solve Equations by Square Root

22 questions

Solve by taking the square root:
x² = 49

Solve by taking the square root:
4x² = 100

x²= 8

2x²=100

x² -4 = 77

Solve by taking square roots:
3 + 9r² = 12

Solve for x:
(x+6)²=49

Solve using square roots.

Solve by taking square roots:
(x - 7)² = 99

Solve.
2(2x - 4)² = 32

Create a free account and access millions of resources

Similar Resources on Wayground

Popular Resources on Wayground

Discover more resources for Mathematics

Solve Equations by Square Root

22 questions

Solve by taking the square root:x2 = 49

Solve by taking the square root:4x2 = 100

x2 = 8

2x2=100

x2 -4 = 77

Solve by taking square roots:3 + 9r2 = 12

Solve for x: (x+6)2=49

Solve using square roots.

Solve by taking square roots:(x - 7)2 = 99

Solve.2(2x - 4)2 = 32

Create a free account and access millions of resources

Similar Resources on Wayground

Popular Resources on Wayground

Discover more resources for Mathematics

Solve by taking the square root:
x² = 49

Solve by taking the square root:
4x² = 100

x²= 8

2x²=100

x² -4 = 77

Solve by taking square roots:
3 + 9r² = 12

Solve for x:
(x+6)²=49

Solve by taking square roots:
(x - 7)² = 99

Solve.
2(2x - 4)² = 32