8.1 - 8.3 Graphing Quadratic Functions

Which is the vertex of y = x²+ 16x + 71 ?

• V(-8, 7)

• V(-8, 3)

• V(8, 10)

• V(16, -2)

Tags

CCSS.HSA.REI.B.4

Find the y-intercept y = x² - 6x + 5

Hint: The y-intercept is when x = 0

• (0, 8)

• (0, - 6)

• (5, 0)

• (0, 5)

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

Hint: The y-intercept is when x = 0

• (1,0)

• (-2,0)

• (0,1)

• (0, -1)

Does the parabola open up or down?

y = -3x² +7x - 2

• up

• down

• Neither; it opens to the right.

• Neither; it opens to the left.

What is the name of this form:
y = ax² + bx + c

• vertex form
• standard form
• factored form
• zero form

Tags

CCSS.HSA.SSE.B.3

What is the maximum/minimum of a parabola called?

• vertex
• point
• top
• bottom

Tags

CCSS.HSF.IF.B.4

CCSS.HSF.IF.C.7

What do we call the graph of a quadratic function?

• parabola
• linear
• cubic
• sinusoidal

Tags

CCSS.HSF-IF.C.7A

What is the vertex of this parabola?

• (−1, 3)
• (−3, 11)
• (−2, 5)
• (0, 5)

Tags

CCSS.HSF.IF.B.4

CCSS.HSA.REI.D.10

CCSS.HSG.GPE.A.2

What is the y-intercept of this parabola?

• (−1, 3)
• (−3, 11)
• (−2, 5)
• (0, 5)

Tags

CCSS.HSF-IF.C.7A

Where is the axis of symmetry for this parabola?

• x = −1
• x = 0
• y = 3
• x = −3

Tags

CCSS.HSA.REI.B.4