Solving Equations by Quadratic Formula

Solve for x:
8x² + 24 = 0

• x = ± i √ (3)

• x = ± 3i

• x = ± √(3)

• x = ± 2

Tags

CCSS.HSA-REI.B.4B

CCSS.HSN.CN.C.7

Solve for x. How can you solve for it on the calculator?

Tags

CCSS.HSA-REI.B.4B

Solve using the Quadratic Formula:

2x² − x − 3 = 0

Tags

CCSS.HSA-REI.B.4B

Solve using the Quadratic Formula:

2x² + 2x − 12 = 0

• x = −2, 3

• x = 2, 3

• x = 2, −3

• x = −2, −3

Tags

CCSS.HSA-REI.B.4B

Determine the values of

a, b, and c:

4x² – 8x – 3 = 0

• a = 4, b = -8, c = 3

• a = 4, b = -8, c = -3

• a = 4, b = 8, c = 3

• a = 4, b = 8, c = -3

• No real solutions

Tags

CCSS.HSA-REI.B.4B

• No real solutions

Tags

CCSS.HSA-REI.B.4B

Tags

CCSS.HSA-REI.B.4B

What are the roots of the quadratic equation below?

• 4, -3

• -3, 1

Tags

CCSS.HSA-REI.B.4B

What are the roots of the quadratic equation below?

• No solution

Tags

CCSS.HSA-REI.B.4B