Solving Polynomial Equations

Is (x+5) a factor of x³+2x²-x+4 ?

• Yes

• No

Tags

CCSS.HSA.APR.B.2

Solve by completing the square: 25x²+20x+4 = 16

• x = 2/5, -6/5

• x = - 2/5, 6/5

• x = 5/2, -5/6

• x = -5/2, 5/6

Tags

CCSS.HSA-REI.B.4B

Solve (x²-9) = 0

• x = 9

• x = 9, -9

• x = 3, -3

• x = 3

Tags

CCSS.8.EE.A.2

Solve by completing the square: x²+2x=48

• {-6, 8}

• {6, 8}

• {6, -8}

• {-6, -8}

Tags

CCSS.HSA-REI.B.4B

What would be added on both sides of this equation to complete the square? x²+6x+ _____ = 7 + _____

• 9

• 3

• 12

• 6

Tags

CCSS.HSA.REI.B.4

CCSS.HSA.SSE.A.2

CCSS.HSA.SSE.B.3

Solve by factoring: 3x⁴-6x²+3 = 0 (Hint: take out the GCF)

• { -1 d.r, 1 d.r}

• { - 1, 1}

• { 3 d.r, -3 d.r}

• {3, -3}

Tags

CCSS.HSA.REI.B.4

CCSS.HSA.SSE.A.2

CCSS.HSA.SSE.B.3

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

• 2

• 1

• 4

• None

Tags

CCSS.HSA.APR.B.2

CCSS.HSA.REI.B.4

CCSS.HSA.APR.B.3

To determine how many x-intercepts the polynomial has, look at the …

• Degree of the function

• End behavior

• Coeffients

• Y-intercept

Tags

CCSS.HSA.APR.B.3

What is the remainder of x²+3x-1 divided by x+2?

• 0

• -3

• 1

• -2

Tags

CCSS.HSA.APR.B.2

(x-c) is a factor of p(x) if c is not a root of the equation

• True

• False

Tags

CCSS.HSA.APR.B.2