Solving quadratics (all methods)

Solve 
k² - 6 = 43

• k = √37
• k = 37 or - 37
• k = 7, k = -7
• no solution

Tags

CCSS.8.EE.A.2

Solve
a² + 2a - 24 = 0

• a = -6, 4
• a = 6, -4
• a = 12, -2
• a = 8, -3

Tags

CCSS.HSA-REI.B.4B

Solve
3a² - 12a + 12 = 0

• -2
• 2
• 2/3
• 5

Tags

CCSS.HSA-REI.B.4B

Solve 
(2x-2)(5x+5) = 0

• x = -1
• x = -1 or x = 1
• x = 1

Tags

CCSS.HSA-REI.B.4B

Solve 
2x² + 7x - 15 = 0

• -1.5 or 5
• No Solution
• -5 or 1.5
• 0.7 or 5

Tags

CCSS.HSA-REI.B.4B

Solve.
n² - 2n = 0

• n = 2 and 0
• n = -2 and 0
• n = 2
• n = 0

Tags

CCSS.HSA-REI.B.4B

Solve  7x²  - 28x = 0

• x = 4, x = 7
• x = 0, x  = 4
• x = 0, x = -4
• x = -4, x = -7

Tags

CCSS.HSA-REI.B.4B

Solve: 0=2(x-3)²+4

• no real solution
• √2- 4 and -√2 - 4
• √2 + 3 and -√2 - 3
• ±√2

Tags

CCSS.HSA-REI.B.4B

Solve:
2(x - 3)² + 1 = 9

• x = 5 and x = 1
• no real solution
• √2 + 3 and -√2 + 3
• ±√2

Tags

CCSS.HSA-REI.B.4B

Solve
8n² + 10n - 3 = 0

• n = ^-1/₈, ¹⁰/₃
• n = ⁴/₅, - 2
• n = ¹/₄, ^-3/₂
• n = 2, -12

Tags

CCSS.HSA-REI.B.4B