Solving Quadratics with Graphing and Square Roots

If the graph of a quadratic function does not intercept the x axis, then it has:

• 1 Real Solution

• 2 Real Solutions

• Half a Solution

• No Real Solution

Tags

CCSS.HSF-IF.C.7A

Find the zeros.

• x = 0 and x = 4

• x = 0 and x = -4

• x = 4

• x = 2 and y = -2

Tags

CCSS.HSF-IF.C.7A

How many roots does the function graphed here have?

• 3

• 2

• 1

• 0

Tags

CCSS.HSF-IF.C.7A

Solve

x² = 121

• x = 60.5

• x = 11 and x = -11

• x = 60.5 and x = -60.5

• x = 11

Tags

CCSS.8.EE.A.2

Solve

4m² - 100 = 0

• m = 25, m = -25

• m= 10, m = -10

• m =5, m = -5

• m =- 96

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

Solve

x² - 64 = 0

• x = 8

• x = 8 and x = -8

• x = --8

• x = 32 and x = -32

Tags

CCSS.8.EE.A.2

Solve

4x² = 64

• x = 16 and -16

• x = 16

• x = 4 and -4

• x = 4

Tags

CCSS.8.EE.A.2

Solve

2y² - 5 = 93

• y = 7

• y = -7, y = 7

• y = 24.5

• y = -24.5, y = 24.5

Tags

CCSS.8.EE.A.2

Solve

-4x² = -576

• x = 24

• x = 24, x = -24

• x = 12, x = -12

• x = 12

Tags

CCSS.8.EE.A.2