Unit 4 Quiz Review

Find all the real zeros of the function 
f(x) = 2x³ - 19x² + 38x + 24 given that x-4 is a factor.

• x = 1/2, -6
• x = -1/2, 6
• x = 4, -1/2, 6
• x = -4, 1/2, -6

Tags

CCSS.HSA.APR.B.2

Find the roots of 0=x³-4x²+2x-8

• ±2,4
• ±2i,4
• ±i√2,4
• ±√2,4

Tags

CCSS.HSA.APR.B.3

Find all rational zeros, one zero has been given.
f(x) = x³-3x²-x+3;   3

• 2,4,3
• -1,1,3
• 3,2,1
• 4,5,6

Tags

CCSS.HSA.APR.B.3

CCSS.HSA.APR.B.2

Is (x-3) a factor of
(x³ - 3x² + 2x + 2)?

• Yes
• No

Tags

CCSS.HSA.APR.B.2

Write the polynomial in standard form given the following zeros. x = -2, 1, 4

• f(x) = (x+2)(x-1)(x-4)

• f(x) =x³ - 3x² - 6x + 8

• f(x) = x³ + 8

• f(x) = x³ - 3x² + 8

Tags

CCSS.HSA.APR.B.3

What are the zeros of the graph?

• -4, -1, 2, and 1 with multiplicity 2
• -4, -1, 1, 2
• 4, 1, -2, and -1 with multiplicity 2
• 4, 1, -1, -2

Tags

CCSS.HSA.APR.B.3

The function is increasing when...

• (-∞, -1.5) and (1.5, ∞)
• (-1.5, 1.5)
• (0, 1.5)
• (0, ∞)

Tags

CCSS.HSA.REI.D.10

Is the leading coefficient for the polynomial shown positive or negative?

• Negative

• Positive

• Cannot be determined

Is the leading coefficient for the polynomial in the image positive or negative?

• Negative

• Positive

• Cannot be determined

What is the y-intercept for the polynomial given by:

y = 3x² + 9x⁵ − 4 + 10x⁸ + 2x⁹ ?

• 2

• -4

• 9

• 3