Quadratics Quiz

What is the solution set of the equation (x -2) (x-a) = 0?

• -2 and a

• -2 and -a

• 2 and a

• 2 and -a

If 4x² -100 = 0, the roots of the equation are

• x = 5 and x = - 5

• x = 4 and x = - 4

• x = 5

• x = 4

What are the x – intercepts of the graph y = x² + 6x -40?

• (-8, 0) and (-4, 0)

• (-10, 0) and (4, 0)

• (10, 0) and (-4, 0)

• (0, -10) and (0, 4)

The graph of the function

f(x) = ax² + bx+ c is given below.

Could the factors of f(x) be (x+2) and

(x-3)? Based on the graph, explain why or why not.

Which equation has roots of -3 and 5?

• a. X² + 2x – 15 = 0

• a. X² - 2x – 15 = 0

• a. X² + 2x + 15 = 0

• a. X² - 2x + 15 = 0

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

• y = -2

• x = 3

• x = -3

• y = 3

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

• (1, 0)

• (0, 1)

• (-2, 0)

• (0, -1)

What is the maximum/minimum of a parabola called?

• vertex

• top

• x-intercept

• axis of symmetry

What is the vertex of this parabola?

• (-1, 3)

• (-2, 5)

• (-3, 11)

• (0, 5)

What are the zeros of the parabola?

• (1, 0) and (5, 0)

• (3, 0) and (0, 0)

• (3, 0) and (-5, 0)

• (-6, 0) and (1, 0)