Graph Quadratic Function Given the Factors

Which equation could match the graph?

• y = (x + 1)(x + 4)

• y = (x - 1)(x - 4)

• y = (x - 4)(x - 4)

• y = (x + 2.5)(x + 4)

Tags

CCSS.HSA-SSE.B.3B

CCSS.HSF-IF.C.8A

Use the graph to determine the X-intercepts

• (-1,0) and (-3,0)

• (1,0) and (3,0)

• (0,1) and (0,3)

• (0,-1) and (0,-3)

Tags

CCSS.HSF-IF.C.7A

Write a quadratic equation given the x intercepts and one other point.

Step 1: Write the factors.

The intercepts of this function are (6, 0) and (8, 0). Write the factors.

• (x-6) and (x-8)

• (x+6) and (x+8)

• (x-6) and (x+8)

• (x+6) and (x-8)

Tags

CCSS.HSA-SSE.B.3B

CCSS.HSF-IF.C.8A

What is the decreasing interval on the function shown?

• A

• B

• C

• D

Tags

CCSS.HSF-IF.C.7A

• F

• G

• H

• J

Tags

CCSS.HSF-IF.C.7A

Graph the following

y= (x-2)(x-4)

Tags

CCSS.HSA.CED.A.2

Tags

CCSS.HSA.CED.A.2

What is a quadratic function in factored/intercept form with x-intercepts of (5,0) and (-2,0) that is normal size and opens up? f(x) = ________________

Mathematical Equivalence

ON

Select the best answer.

• F

• G

• H

• J

Tags

CCSS.HSF-IF.C.7A