Solving Quadratic Equations

Solve: 80 + a² = 18a

• a = 8, a = 10

• a = -8, a = 10

• a = 8, a = -10

• a = -8, a = -10

Tags

CCSS.HSA-REI.B.4B

Solve: 17r + r² = -52

• r = 13, r = 4

• r = -13, r = 4

• r = 13, r = -4

• r = -13, r = -4

Tags

CCSS.HSA-REI.B.4B

Factor x²-6x-40

• (x-10)(x+4)

• (x+10)(x-4)

• (x-8)(x+5)

• (x+8)(x-5)

Solve
x² + 13x + 12 = 0

• x = -12, -1

• x = 12, 1

• x = 13, 1

• x = -13, -1

Tags

CCSS.HSA-REI.B.4B

Tags

CCSS.HSA-REI.B.4B

• No real solutions

Tags

CCSS.HSA-REI.B.4B

• q = 0.5, q = 0.75

• q = 0.5, q = - 0.75

• q = - 0.5, q = 0.75

• q = - 0.5, q = - 0.75

Tags

CCSS.HSA-REI.B.4B

Solve: x² + 3x + 2 = 0

One answer is -1, what is the other answer?

Mathematical Equivalence

ON

Tags

CCSS.HSA-REI.B.4B

Solve: x² + x = 56

• 7

• -8

• 4

• 14

• -2

Tags

CCSS.HSA-REI.B.4B

Solve: x² + 5x = 14

One answer is 2, what is the other answer?

Mathematical Equivalence

ON

Tags

CCSS.HSA-REI.B.4B