MCA - 6.5 - Solving Polynomial Equations by Factoring

The solutions of the quadratic equation 
x²+2x-15=0 are

• x = 3 or x = 5
• x = 5 or x = -3
• x = -5 or x = 3
• x = -3 or x = -5

Tags

CCSS.HSA-REI.B.4B

f(x)=(x+4)(x-3)(x-2)
List the zeros for this function.

• x=-4, x=3, x=-2
• x=-4, x=3, x=2
• x=-4, x=3, x=2
• x=4, x=3, x=2

Tags

CCSS.HSF-IF.C.7C

How many zeros does the polynomial function
 P(x) = 3x⁴+4x-8 have?

• 1
• 2
• 3
• 4

Solve by factoring.

x³ + 2x² - 9x - 18 = 0

• x = 2, x = 3

• x = -2, x = -3, x = 3

• x = -2, x = 2, x = -3, x = 3

• You can't factor........

Tags

CCSS.HSA-REI.B.4B

Solve by factoring.

x² - x - 20 = 0

• x = -5, x = 4

• x = 5, x = -4

• x = 10, x = -2

• x = -10, x = 2

Tags

CCSS.HSA-REI.B.4B

Solve: 2x²-14x+24 = 0

• x = 4, 3

• x = 9/2, 10/4

• x = -3, -4

• x = -9/2, -10/4

Tags

CCSS.HSA-REI.B.4B

The solutions of the quadratic equation 
x²+12x+35=0 are

• x = -5 or x = -7
• x = 5 or x = 7
• x = -35 or x = -1
• x = -9 or x = -4

Tags

CCSS.HSA-REI.B.4B

Solve by Factoring:
x² + 15x + 64 = 20

• {-8, 2}
• {-7, 5}
• {-11, -4}
• {-11}

Tags

CCSS.HSA-REI.B.4B

Solve by Factoring:  4x² + 11x - 3 = 0

• x = -3/4 and x = -1
• x = 4 and x = 3
• x = 1/4 and x = -3
• x = -1/4 and x = 3

Tags

CCSS.HSA-REI.B.4B

What are the zeros of (2x+5)(x-6)=?

• -6, 5/2

• -5/2, 6

• 6, 2

• 5, -6

Tags

CCSS.HSF-IF.C.7C