CW 3-29 Solving Quadratics by Square Roots

Solve using square roots.

• A
• B
• C
• D

Tags

CCSS.8.EE.A.2

Solve using square roots.

• A
• B
• C
• D

Tags

CCSS.8.EE.A.2

Simplify the square root.

• A
• B
• C
• D

Simplify the square root.

• A
• B
• C
• D

Solve using square roots.
5b² - 4 = 41

• b = 9, b = -9
• b = 3, b = -3
• b = 8, b = -8
• no solution

Solve for h.
(h - 2)² = 9

• h = 5, -1
• h = 5, -5
• h = 5
• h = -1

Solve for x.

(x - 7)² + 4 = 40

• x = -1, -13

• x = 1, 7

• x = -1, -7

• x = 1, 13

• x = -7, -13

Tags

CCSS.7.NS.A.3

3 (x - 2)² + 4 = 79

• x = 3, x = 7

• x = -3, x = 7

Tags

CCSS.8.EE.A.2

Simplify

• 9
• √9
• 3√9
• can't simplify

√24

• 4√6
• 2√6
• 6√2
• 2√12