Solve Quad Eq. by Factoring & Square Roots (imaginary too)

Solve by factoring:

3x² + 5x + 2 = 0

• x = -2/3 and x = -1

• x = -3/2 and x = -1

• x = 2/3 and x = 1

• x = 2/3 and x = -1

Tags

CCSS.HSA-REI.B.4B

Solve by factoring:

2x²+ 7x + 6 = 0

• x= 3/2 and x = 2

• x = -3/2 and x = -2

• x = 6 and x = 7

• x = -6 and x = -7

Tags

CCSS.HSA-REI.B.4B

Solve by using square roots:

(x + 6)² = 49

• x = 7,12

• x = ±7

• x = -13, 1

• x = -55, 43

Tags

CCSS.HSA-REI.B.4B

Solve by factoring:

x² + 3x - 18 = 0

• x = -3 and x = 6

• x = 3 and x = -6

• x = -9 and x = 2

• x = 9 and x = -2

Tags

CCSS.HSA-REI.B.4B

Solve by using square roots:

4k² - 6 = 43

• k = ±7/4

• k = ±7/2

• k = ±(√37)/4

• k = ±(√37)/2

Tags

CCSS.8.EE.A.2

Solve by factoring:

4x² + 11x - 3 = 0

• x = -3/4 and x = -1

• x = 4 and x = 3

• x = 1/4 and x = -3

• x = -1/4 and x = 3

Tags

CCSS.HSA-REI.B.4B

Solve by taking square roots:

5(m - 1)² + 1 = 6

• m = ±i

• m = -1, 1

• m = -2, 0

• m = 0, 2

Tags

CCSS.HSA-REI.B.4B

Solve by factoring:

5x² + 13x + 6 = 0

• x = -2 and x = -3/5

• x = 2 and x = 3/5

• x = -2 and x = 3/5

• x = 2 and x = -3/5

Tags

CCSS.HSA-REI.B.4B

Factor: 49x² - 100

• (49x + 100)(x - 1)
• (7x - 10)(7x + 10)
• (49x - 10)(x + 10)
• (7x -10)(7x - 10)

Tags

CCSS.HSA.APR.C.4

Solve by using square roots:

-4x² - 6 = 30

• x = 3

• x = ±3

• x = ±3i

• x = ±9i

Tags

CCSS.HSA-REI.B.4B