Solving Quadratics: Graphing/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.

• 0 and 4

• 0 and -4

• 0 and 2

• 2 and -2

Solve

x² = 121

• x = 60.5

• x = ± 11

• x = ± 12

• 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

• x = 16

• x = ± 4

• x = 4

Tags

CCSS.8.EE.A.2

What are the roots of this quadratic function?

• -4 and 0

• 4 and 0

• -2 and 4

• 0

Use the graph to solve 2x² + 12x - 18 = 0

• x = 3 and x = -3

• x = 3

• x = -3

• No real solutions

What  are the solutions of this graph?

• -2 and 3
• -1/2 and -6
• -2 and -6
• 3 and -6

Tags

CCSS.HSA.APR.B.3

CCSS.HSA.REI.D.10

CCSS.HSA.REI.D.11