Key Features Practice

What is the range of the polynomial above?

• (-∞,∞)

• (-∞,9)

• (-15,∞)

• (-15,9)

What does trinomial mean in math?

• one term

• two terms

• 3 terms

• 4 terms

What is the degree? f(x) = -6x⁴ + x⁸ + 5x² - 2

• 2

• 4

• 8

• -6

Which of the following is a zero of (x + 2)(x - 1)?

• 2
• 1
• -1
• 0

Which zero will "bounce" off of the x-axis for x²(x - 1)(x + 2)(x + 3)

• 0
• 1
• -2
• -3

Which zero(s) will "bounce" off the x-axis for (x + 1)(x - 2)²(x+ 3)

• 2

• 2 and -1

• -1

• 2 and -3

For the pictured polynomial, at which interval is it decreasing?

• (-∞, 2)
• (-2, 0)
• (0, ∞)
• (-3, 1)

Find the increasing interval

• (infinity, -2)

• (infinity, 2)

• (2, infinity)

• (-2, infinity)

Identify the y-intercept

• (0, -3)

• (0, 1)

• (0, 3)

• (2, 1)

Tags

CCSS.HSF-IF.C.7A

Describe the function. Choose two answers.

• Odd

• Even

• Positive

• Negative