Polynomials and Parabolas

Find the perimeter of a rectangle with length (x-5) and width (3x+1).

• 8x-8

• 4x-4

• 8x+8

• 4x+12

If the perimeter is 8x² + 2x + 1, find the missing length

• x² + 2x - 3

• x² + 5

• x² - 3

• x² + 6x - 4

If the perimeter is 7x² + 2x - 3, find the missing length

• 2x² - 11

• 2x² + 5

• 2x² + 4x - 11

• 2x² + 4x + 5

Simplify the following expression:
-8 (5b + 2) -7 (b - 5)

• -33b + 19

• -47b² +  21

• 33b - 19

• -47b -19

What do we call the graph of a quadratic function?

• parabola

• linear

• cubic

• sinusoidal

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

• y = -2

• x = 3

• x = -3

• y = 2

What are the x- intercepts?

• x= 0 and x= -4

• x= 0 and x= 4

• y= 0

• x= 2

What is NOT another way to say "x-intercept"

• root

• solution

• zeroes

• vertex

What is the degree of the polynomial function below?

• 3

• 7

• -9

• 2

What is the y-intercept of the polynomial below?

f(x) = -2x⁴ + x³ + 5x² + x + 6

• -2

• -6

• 4

• 6