PC - 11/11/20

FInd all zeros for the polynomial
f(x) = x⁴+8x²-9

• -1, ⅓, ±3i
• ½, -1, ±3i
• 1, -1, ±i√11
• 1, -1, ±3i

Tags

CCSS.HSA.APR.B.2

CCSS.HSA.APR.B.3

CCSS.HSN.CN.C.8

What is the dividend of this problem?

• x² - 5x + 6

• x - 3

• x - 2

• 0

What is the proper way to write the answer for the following problem? 

• 2x³-x²-25x-12
• 2x⁴-x³-25x²-12x+0

Tags

CCSS.HSA.APR.D.6

      Is (x-2) a factor of $f\left(x\right)=x^3-8x^2+14x-4?$  

• Yes, (x-2) is a factor. There is a remainder.

• No, (x-2) is not a factor. The remainder is zero.

• Yes, (x-2) is a factor. The remainder is zero.

• No, (x-2) is not a factor. There is a remainder. 

Tags

CCSS.HSA.APR.B.2

According to the Rational Root Theorem, what are the all possible rational roots? 
2x³ - 11x² + 12x + 9 = 0

• ±1,±2
• ±1,±3,±9
• ±1,±3±9,±1/2,±3/2,±9/2
• ±1,±2,±1/3,±2/3,±1/9,±2/9

Tags

CCSS.HSA.APR.B.3

Find the 3rd term in the expansion of (x-3)⁷

• -5103x²
• 189x⁵
• 189
• -5103

Tags

CCSS.HSA.APR.C.5