Find the Roots of Quadratic Functions

Solve:
4x² = -4x -1

• x = -½

• x = -2

• x = 0

Tags

CCSS.HSA-REI.B.4B

• A
• B
• C
• D

Tags

CCSS.8.EE.A.2

• -3, 4
• 3, 4
• -4, -3
• -3

Tags

CCSS.HSA-REI.B.4B

Solve the equation
(x + 3)² = 49.

• x = -7, 7

• x = 4, -10

• x = -4 +- √7

• x = 10, -4

Tags

CCSS.8.EE.A.2

What is another word for zeros?

• y-intercepts

• roots

• vertex

• axis of symmetry

Tags

CCSS.HSF-IF.C.7C

Use the graph to determine the solutions.
*Hint: Solutions = roots = zeros = x-intercepts

• -1 and -3

• 1 and -3

• 1 and 3

• -1 and 3

The point in which a graph hits the x-axis is know as the _____

• Solution

• x-intercept

• Root

• All answers are correct

Tags

CCSS.HSF-IF.C.7A

How many zeros does this parabola have? 

• 3

• 2

• 0

• 1

Tags

CCSS.HSF-IF.C.7A

Find the zeros.

• 0 and 4

• 0 and -4

• 0

• -4

Tags

CCSS.HSA-SSE.B.3B

CCSS.HSF-IF.C.8A

What are the x- intercepts?

• x= 0 and x= -4

• x= 0 and x= 4

• y= 0

• x= 2

Tags

CCSS.HSA.APR.B.3