Solving High Order Polynomial Equations

Factor
n²-13n+40

• (n-5)(n-8)

• (n+5)(n-8)

• (n-5)(n+8)

• (n+6)(n+1)

Factor x² + 6x + 9 = 0 and solve for x.

• (x+3)(x+3); x = -3

• (x+4)(x+5); x=-4, -5

• (x-3)(x-3); x=3

• Not factorable

Tags

CCSS.HSA-REI.B.4B

State the degree of the polynomial:
f(x) = 2x⁴ + 19x² + 24

• 1

• 2

• 3

• 4

State the leading term of the polynomial:
f(x) = 6x⁵ + 9x⁴ + 2x³ + 3x² - 4x -6

• 9x⁴

• -4x

• 6x⁵

• 3x²

What is the degree of this polynomial?

2x⁴ - 3x⁵ + x

• -3

• 2

• 4

• 5

Solve the polynomial equation:

x²-4x-32 =0

• x = -4,8

• x = 4,32

• x = -3,4

• x= -2,-5

Tags

CCSS.HSA-REI.B.4B

Solve the polynomial equation:

x² + 15x + 64 = 20

• x = -8, 2

• x = -7, 5

• x = -11, -4

• x = -11

Tags

CCSS.HSA-REI.B.4B

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.4B

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

• 2

• 1

• 4

• None

Solve: t²+7t+6 = 0

• {-6, -1}

• {2, -3}

• {6, 1}

• {-2, 3}

Tags

CCSS.HSA-REI.B.4B