Solve Quadratics and Square Roots

Solve the equation
4x² - 25 = 0

• 5/2, -5/2

• 5/2, 5/2

• -5/2, -5/2

• -5/2, 5/2

Tags

CCSS.HSA-REI.B.4B

Solve using square roots.

• ±81

• ±9

• ±3

• No real solution

Tags

CCSS.HSA-REI.B.4B

Solve for x

x² = 64

• x = 8, -8

• x = 32, -32

• x = 4, -4

• No real solution

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

x² = 16

• ± 4

• ± 8

• 4

• 8

Tags

CCSS.8.EE.A.2

Solve the equation using square roots.
x² = 121

• 60.5

• ± 11

• ± 12

• 11

Tags

CCSS.8.EE.A.2

Solve using square roots:

10x² + 3 = -17

• x = 6.7 or x = -6.7

• x = 2.25 or x = -2.25

• x = -2 or x = 2

• No real solution

Tags

CCSS.8.EE.A.2

Solve using square roots:

x² + 7 = 89

• x = 9.8

• No real solution

• x = 9.1

• x = 9.1 or x = -9.1

Tags

CCSS.8.EE.A.2

Q3. Solve for m.

4m² + 10 = 38

• m = 7, -7

• m = 0.96, -0.96

• m = 1.32, -1.32

• m = 2.65, -2.65

Tags

CCSS.8.EE.A.2

Solve using square roots.
5b² - 4 = 41

• b = 9, b = -9

• b = 3, b = -3

• b = 8, b = -8

• no solution

Tags

CCSS.8.EE.A.2