Solving Polynomial Equations

Factor completely: 3x² - 7x + 2

• (x - 1) (3x + 2)
• (x - 2) (3x -1)
• (x - 1) (3x - 2)
• (x + 2) (3x + 1)

Solve by factoring:  2x²+ 7x + 6 = 0

• x= 3/2 and x = 2
• x = -3/2 and x = -2
• x = 6 and x = 7
• x = -6 and x = -7

Tags

CCSS.HSA-REI.B.4B

Find all zeros for the polynomial function P(x) = x³ -3x²-5x+15

• 3, √5 
• 3, √5, -√5
• -3, √5, -√5
• -3, 5i, -5i

Find all zeros of the polynomial function P(x) = x3-6x2-9x+54

• 6, 3, -3

• -6, 3, -3

• -6, 3i, -3

• 6, 3i, -3i

Multiply: (x+1)(x² - x + 1)

• x³- x² - 2x + 1

• x³ + 1

• x³ + x² + 1

• x³ + x² - 2x + 1

Factor by grouping:
4p³+8p²+3p+6

• (2p²+3)(p+2)
• (2p²+6)(p+4)
• (4p²+3)(p+2)
• (4p²+8p)(3p+6)

Solve: 2x² - 5x - 7 = 0

• x = 1, x = -7/2
• x = 7/2, x = -1
• x = -1/2, x = 7
• x = 1/2, x = -7

Tags

CCSS.HSA-REI.B.4B

Solve: 4x² = 25

• x = 3
• x = 5/2
• x = 5/2, x = -5/2
• x = 5/4, x = - 5/4

Tags

CCSS.8.EE.A.2

Factor: v³-5v²+9v

• v²(v-5+9)

• 5(v³+9v)

• v(v²-5v+9)

• 9v(v²-5v+1)

25x² - 9 = 0

• x = 3/5
• x = -9/5, x = 1/5
• x = -1/5, x = 9/5
• x = -3/5, x = 3/5

Tags

CCSS.8.EE.A.2