Quadratic Function, Factoring

If quadratic function is open-up, does the graph have max or minimum value?

• Maximum

• Minimum

What is the y-intercept for the equation:

y = 8x² + 3x - 7

• (0,-8)

• (0,3)

• (0,7)

• (0,-7)

What is the axis of symmetry for the following equation?

y = 4x² - 8x + 9

• x = -8

• x = 1

• x = -1

• x = 2

What are the x-intercepts of the function:

f(x) = (x-2)(x+3)?

• x=-2 or x=3

• x=2 or x=-3

• no solution

• x=-2 or x=3

Solve the equation: (x+3)² = 49

• x= -7, 7

• x=4, -10

• x= -4

• x= 10, -4

A parabola has a vertex at (-3,2). Where is the axis of symmetry?

• y = 2

• x = 3

• x = -3

• y = 2

What is the vertex of y = x² +4x +3 ?

• (2, 1)

• (2, -1)

• (0, 0)

• (-2, -1)

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

• 2

• -2

• 1

• -1

Find the axis of symmetry for f(x) = x² - 8x +15.

• x= -4

• x= 4

• y = 4

• y = -4

Solve for the value of x, using zero product property:

(x+2)(x-3) = 0

• x=2 or 3

• x=-2 or -3

• x=2 or 3

• x= -2 or 3