Solving Quadratics Easy

Solve for b.

5b² - 4 = 41

• b = 9, b = -9

• b = 3, b = -3

• b = 8, b = -8

• no solution

Tags

CCSS.8.EE.A.2

Solve for n.

• A

• B

• C

• D

Tags

CCSS.8.EE.A.2

Solve for x

3x² - 27 = 0

• x = 4.9, -4.9

• x = 9, -9

• x = 3, -3

• No solution

Tags

CCSS.8.EE.A.2

Solve for k.

k² - 6 = 43

• k = √37

• k = 37 or - 37

• k = 7, k = -7

• no solution

Tags

CCSS.8.EE.A.2

Solve for m.

4m² - 100 = 0

• m=25, -25

• m=96

• m=5, -5

• m=-96

Tags

CCSS.8.EE.A.2

• ±81

• ±9

• ±3

• No real solution

Tags

CCSS.8.EE.A.2

Which of the following equations can be solved using the square root method?

Tags

CCSS.HSA-REI.B.4B

Solve for k.

• A

• B

• C

• D

Tags

CCSS.8.EE.A.2

What are the roots / solutions of the quadratic equation 3x² = 300 ?

• x = 10

• x = 9

• x = + 9

• x = + 10

Tags

CCSS.HSA-REI.B.4B

Solve for a. 16a² - 9 = 0

• a = ± ³/₄

• a = ± ⁴/₃

• a = ± ⁹/₁₆

• a = ± ¹⁶/₉

Tags

CCSS.HSA-REI.B.4B