Solving Quadratic Equations REVIEW

Solve by factoring or quadratic formula.

x² + 15x + 44 = 0

• {-8, 2}

• {-7, 5}

• {-11, -4}

• {-11}

Solve: b² = -35 + 12b by Factoring

• b = 5 and 7

• b = -5 and -7

• b = -5 and 7

• b = 5 and -7

Solve by taking square roots:
5m² + 1 = 6

• m = 0
• m = 1 or -1
• m = √7
• m = 7/5 m = -7/5

Tags

CCSS.HSA-REI.B.4B

3x²+12= 39 (solve using square roots)

• x = √27

• x = ±3√27

• x = ±3

• x = ±9

Tags

CCSS.8.EE.A.2

Solve using square roots

• $\pm2i\sqrt{3}$
  

• $\pm12$
  

• $12i$
  

• $\pm12i$
  

What is standard form of a quadratic Equation?

• Ax² + Bx + C = 0

• Ax² + B + Cx = 0

Tags

CCSS.HSA.CED.A.1

Factor:
x² - 14x + 24

• (x - 8)(x - 3)
• (x - 12)(x - 2)
• (x - 6)(x - 4)
• (x - 24)(x - 1)

Tags

CCSS.HSA.SSE.A.2

CCSS.HSA.APR.A.1

CCSS.HSA.APR.B.3

Factor

3a² + 4a + 1

(Hint: X-Box Method)

• (7a-10)(a-8)

• Not factorable

• (3a+1)(a+1)

• (3a-1)(a-1)

Factor: 5n² - 6n - 27

(Hint: X-Box Method)

• (5n + 3)(n-9)

• (5n - 3)(n + 9)

• (5n + 9)(n - 3)

• (5n - 9)(n + 3)

Factor

2c² + 2c - 84

(Hint: Look for a GCF)

• (c-6)(2c+14)

• (c+7)(2c-12)

• (c-4)(2c+21)

• 2(c+7)(c-6)