Unit 3 part 1 review

Is (x-4) a factor of (x³ +x² -16x-16)?

• YES
• NO

Tags

CCSS.HSA.APR.B.2

Decide if (x-3) is a factor of 3x³+10x²-x-12

• Yes, it is a factor!
• No, it is not a factor!

Tags

CCSS.HSA.APR.B.2

Find all the zeros, given that f(-3) = 0
f(x) = 2x³+5x²-6x-9

• -1,-3,-3
• -1,-3,3/2
• 3,3,3
• -3,2/3,-1

Tags

CCSS.HSF-IF.C.7C

Which of the following is a COMPLETE  list of all possible Rational Zeros?
f(x) = x³ + 2x² - 6x + 8

• ±1, ±8
• ±1, ±2, ±4, ±8
• ±1, ±2, ±4
• 1, 2, 4, 8

Tags

CCSS.HSA.APR.B.2

Which of the following is a COMPLETE  list of all possible Rational Zeros?
f(x) = 3x³ + 2x² - 6x + 7

• ±1, ±7, ±1/3, ±7/3
• ±1, 7
• ±1, ±3, ±7, ±7/3
• ±1, ±3, ±7, ±1/3, ±7/3

Tags

CCSS.HSA.APR.B.3

Which of the following is a COMPLETE  list of all possible Rational Zeros?
f(x) = 2x³ + 5x² - 9x + 5

• ±1, ±5, ±1/2, ±5/2
• ±1, ±2, ±5, ±1/2, ±5/2
• ±1, ±5
• ±1, ±2, ±5, ±1/2, ±5/2, ±2/5

Tags

CCSS.HSA.APR.B.2

 $x^5+3x^2-4x+120$  has how many total possible  positive real solutions?

• 4

• 3

• 2

• 1

• 0

Tags

CCSS.HSA.APR.B.3

CCSS.HSA.REI.D.11

 $x^5+3x^2-4x+120$  has how many total possible  negative real solutions?

• 4

• 3

• 2

• 1

• 5

When looking for possible negative roots, we need to look at...

• $f\left(x\right)$

• $f\left(-x\right)$

• $-f\left(x\right)$

• $x^n$ (highest power)

When looking for possible negative roots, we need to look at...

• $f\left(x\right)$

• $f\left(-x\right)$

• $-f\left(x\right)$

• $x^n$ (highest power)