4.5 & 4.6 Solutions of Poly func. & Fund. Thm or Alg

How many x-intercepts does x⁴+6x²+9= 0 have?

• 2

• 1

• 4

• None

Tags

CCSS.HSA.APR.B.3

CCSS.HSA.APR.B.2

CCSS.HSA.REI.B.4

What are the solutions? (Hint Factor and solve)

• x=0, x=-2 and x=7

• x=2 and x=7

• x=-2 and x=7

• x=0 and x=3 and x= 42

Tags

CCSS.HSA-REI.B.4B

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

Solve by using Rational Root Theorem: 
x³ - 7x - 6 = 0

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

Tags

CCSS.HSA.APR.B.2

What is the conjugate of 2 + √3

• 2 + √3

• 2 - √3

• -2 + √3

• -2 - √3

Tags

CCSS.HSN.CN.A.3

All zeros containing a square root sign comes in pairs.

• True

• False

Write a polynomial function of least degree with integral coefficients that has the given zeros.

• A
• B
• C
• D

Tags

CCSS.HSA.APR.B.3

Write a polynomial function of least degree in standard form that has the follow roots.
 $-3,\ \sqrt{5}$  

•  $f\left(x\right)=\left(x+3\right)\left(x^2-5\right)$  

•  $f\left(x\right)=\left(x-3\right)\left(x-\sqrt{5}\right)$  

•  $f\left(x\right)=x^3+3x^2-5x-15$  

•  $f\left(x\right)=x^3-3x^2+5x+15$  

Tags

CCSS.HSA.APR.B.3

How many zeros does the following function have?
f(x)= x⁵ - 3x³ + x

• 8
• 9
• 5
• 3

Tags

CCSS.HSA.APR.B.3

CCSS.HSA.APR.B.2