Solve the equation. Check your answer $$x=\sqrt[]{-4x+21}$$

3 is the solution. -7 is an extraneous solution.

-7 is the solution. 3 is an extraneous solution.

Solve Radical Equations

Quiz

•

Mathematics

•

10th - 12th Grade

•

Practice Problem

•

Hard

•

CCSS

HSA.REI.A.2, HSF-IF.C.7B, 8.EE.A.2

Standards-aligned

Barbara White

FREE Resource

50 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

x = 49

x = 53

x = 45

x = 18

Tags

CCSS.HSA.REI.A.2

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

36

18

-18

27

3.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

x = 2

x = 4

x = 7

x = 9

Tags

CCSS.HSA.REI.A.2

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

x = -6

x = 3

x = -3

x = 5±

Tags

CCSS.HSA.REI.A.2

5.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Solve.

no solution

6

3

4

Tags

CCSS.HSA.REI.A.2

6.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Solve

-14

14

no solution

28

Tags

CCSS.HSA.REI.A.2

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

9

-9

21

-21

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