Solving Quadratics by Graphing and Factoring

To solve a quadratic by graphing is to find where the parabola crosses the x-axis. We call these the ___. Select all that apply.

• zeroes

• x-intercepts

• solutions

• roots

Tags

CCSS.HSA.APR.B.3

CCSS.HSA.REI.B.4

CCSS.HSA.REI.D.10

What are the zeros?

• x= 0 and x= -4
• x= 0 and x= 4
• y= 0
• x= 2

Tags

CCSS.HSF-IF.C.7A

What are the solutions of this graph?

• -2 and 3

• -1/2 and -6

• -2 and -6

• 3 and -6

Tags

CCSS.HSA.REI.B.4

CCSS.HSA.REI.D.10

CCSS.HSA.REI.D.11

Find the factors of 5x²+20x+20

(Hint: Look for GCF first)

• 5(x+2)(x+2)

• 5(x-2)(x-2)

• 5(x+2)(x-2)

• (5x+2)(x+2)

Tags

CCSS.HSA.SSE.A.2

CCSS.HSA.SSE.B.3

What is the area? There are 2 answers.

• 2x² + 5x + 7

• x² + 5x + 7

• x² + 5x + 6

• (x+2)(x+3)

Tags

CCSS.HSA.APR.A.1

Based on the algebra tiles, what are the factors of this polynomial?

• (x-1)(x-3)

• (x-1)(x-2)

• (x+2)(x+1)

Tags

CCSS.HSA.APR.C.4

Which expression represents the unfactored polynomial?

• 2x + 8

• 4x

• 8x + 1

Tags

CCSS.7.EE.A.1

Which side represents the factor (x-1)?

• top

• left

Tags

CCSS.HSA.APR.A.1

Which side represents the factor (x+4)?

• top

• left

Tags

CCSS.HSA.APR.A.1

What polynomial is represented by the algebra tiles?

• 2x² + 7x + 6

• x² + 7x + 6

• 2x² + 4x + 6

• 3x² + 6x + 7

Tags

CCSS.HSA.APR.A.1