Factor Find X Intercepts

Find the roots/zeros of x² - 9

• -3, 3

• -4, 4

Tags

CCSS.8.EE.A.2

Find the roots/zeros of x² - 25

• -4, 4

• -5, 5

Tags

CCSS.8.EE.A.2

What are the x-intercepts for g(x) = (x + 8)(x + 2)

• 8 and 2

• (8, 2)

• -8 and - 2

• (-8, -2)

Tags

CCSS.HSF-IF.C.7C

Which equation matches the x-intercepts x=5,-7 ?

• (x+5)(x-7)=0

• (x-5)(x+7)=0

• (x+5)(x+7)=0

• (x-5)(x-7)=0

Tags

CCSS.HSA.APR.B.3

In factored form you can see the ______ of the graph easily.

• y-intercept

• vertex

• x-intercepts

Tags

CCSS.HSF-IF.C.7A

What are the green dots called?

• axis of symmetry

• vertex

• parabola

• roots or x-intercepts

Tags

CCSS.HSF-IF.C.7A

What is another word for zeros?

• y-intercepts

• roots

• vertex

• axis of symmetry

Tags

CCSS.HSF-IF.C.7C

What is another way to say "where a function crosses the x-axis"?

• x-intercept

• zero

• root

• all of these.

• solution

Tags

CCSS.HSF-IF.C.7C

What does it mean to "find the zeros" of a quadratic?

• Plug in 0 and solve the expression.

• Factor then set each factor equal to zero and solve to find x-intercepts

• Set the expression equal to zero and solve 

• Factor then set each factor equal to zero and solve to find y-intercepts

Tags

CCSS.HSA-SSE.B.3B

CCSS.HSF-IF.C.8A

Use the graph of f(x) to determine the real solutions to f(x)=0.

• -10

• 2, 5

• 0, 7

• no real solution