Open Up Quadratic

What is the y-intercept of the function y=-2x²+8x-6?

• (0, 8)

• (0, -6)

• (0, 2)

• (0, 0)

Tags

CCSS.HSF-IF.C.7A

What piece of information does c identify in the following equation?
y=ax²+bx+c

• Zeroes

• Axis of Symmetry

• Direction

• y-intercept

What is the axis of symmetry for the following equation? (hint: x = -b/2a)
y=4x²-8x+9

• x=-8

• x=1

• x=-1

• x=4

Which statement is TRUE?

• This function has a Maximum

• This function has a Minimum

• This is a constant function

The graph of a quadratic function is called

• a line

• a hyperbola

• a parabola

• a cubic

Tags

CCSS.HSF-IF.C.7A

The standard form of a quadratic equation is

• y=x²

• y=ax²+bx+c

• y=mx+b

• y=x

f(x) = 3x² - 4 is a quadratic function

• true

• false

If the a > 0 (positive) the graph opens

• up

• down

Tags

CCSS.HSF-IF.C.7A

Convert
 y = 3(x+1)² - 8 into standard form.

• y=3x² + 6x - 5

• y=3x² - 6x - 5

• y=3x² + 6x + 5

• y=3x² - 6x + 5

What are the solutions to this equation? (x-3)(x+2)=0

• x=3,-2

• x=-3,2

• x=2,3

• x=3,2

Tags

CCSS.HSA-REI.B.4B