Find Intercepts from Standard Form

What can we find easily in standard form?

• vertex

• zeros/x-intercepts

• y-intercept

What can we find easily in factored form?

• y-intercept

• vertex

• zeros/x-intercepts

What is the y-intercept of the equation?
-x + 5y = 45

• y = 9 or (0, 9)

• y = 5 or (0, 5)

• y = -9 or (0, -9)

• None of these.

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

True or false:
The x-intercept of a function ALWAYS occurs where y is equal to zero.

• True

• False

What can we find easily in standard form?

• vertex

• x-intercepts

• y-intercept

Find the y-intercept y = x² - 6x + 5

• (0, 8)

• (0, - 6)

• (5, 0)

• (0, 5)

Tags

CCSS.HSF-IF.C.7A

Find the y-intercept of f(x) = 2x² - 2x + 1

• (1,0)

• (-2,0)

• (0,1)

• (0, -1)

Tags

CCSS.HSF-IF.C.7A

What is the y-intercept of this parabola?

• (−1, 3)

• (−3, 11)

• (−2, 5)

• (0, 5)

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