Quadratic Equations Review

(g - 2)(4g - 6)

• 4g² - 2b - 12
• 4g² - 2b - 6
• 4g² - 2b - 12
• 8g² - 2b - 12

(r - 7)(2r + 8)  

• 2r² - 7r - 55
• 2r² - 6r - 56
• 2r² - 123 - 56
• bananas

(7y + 4)(8y + 2)

• 58y² + 48y + 6  
• 65y² + 64y + 8  
• 56y² + 46y + 8  
• 56y⁸ + 46y - 8  

Tags

CCSS.HSA.APR.A.1

Solve using square roots.

x² = 81

• 9

• -9

• 40.5

• -9,9

Solve using square roots.

4q² = 100

• 10

• -10, 10

• 5

• -5, 5

Solve by factoring:
x² - 6x + 5 = 0

• -6, -1
• -5, -1 
• 1, 6
• 5, 1

Tags

CCSS.HSA-REI.B.4B

Solve by factoring.

16a² - 9 = 0

• a = ^-3/₄, ³/₄

• a = ^-4/₃, ⁴/₃

• a = ^-9/₁₆, ⁹/₁₆

• a = ^-16/₉, ¹⁶/₉

Solve by factoring.

8n² + 10n - 3 = 0

• n = ^-1/₈, ¹⁰/₃

• n = ⁴/₅, - 2

• n = ¹/₄, ^-3/₂

• n = 2, -12

Solve by factoring.
3a² - 12a + 12 = 0

• -2
• 2
• 2/3
• 5

Tags

CCSS.HSA-REI.B.4B

Solve using any method.

5n² - 36 = 4n²

• n = 6 and -6

• n = -6 and -6

• n = 6 and 6

• n = 0