Polynomials SOL Review ssn 4

(5 + 3x4 - 7x) - (-4x4 - 4 + 6x)

• 7x4 - 13x + 9
• -x4 - x + 1
• 7x4 - x + 1
• -x4 - 13x + 9

2x(-7x2 + x - 7)

• -14x3+ 2x2 - 7
• -14x2+ 2x - 14x
• -14x3 + 2x2 - 14x
• -14x2 + 2x - 7

(6x + 3)(-8x - 4)

• -48x2 - 12
• -48x2 - 24x - 12
• -48x2 - 48x - 12
• -48x2 + 24x - 12

(-8n - 8)(-5n2 - n + 3)

• 40n3 + 48n2 - 16n - 24
• 40n3 + 8n2 - 16n - 24
• 40n3 + 48n2 - 24n - 24
• 40n3 + 40n2 - 16n - 24

(6b + 3)(6b - 3)

• 36b2 - 18b - 9
• 36b2 + 18b - 9
• 36b2 - 36b - 9
• 36b2 - 9

(5r3 - 1)2

• 25r9 - 5r3 + 1
• 25r6 + 1
• 25r6 - 10r3 + 1
• 25r5 + 1

30mn2 + m2n - 6n

• n(30mn +m2n - 6)
• 6n(5mn +m2 - 1)
• 6mn(5n +m - 1)
• mn(30n +m - 6)

9x2 - 3x

• 3x(3x - 1)
• 3x(3x)
• 3x(3x2 - 1)
• 3(3x2 - x)

Which of these is a factor of x2 - x - 12?

• (x + 4)
• (x + 3)
• (x - 3)
• (x + 2)

Which of these is a factor of 3x2 - 12x + 12?

• (x - 6)
• (x - 2)
• (x + 4)
• (x + 3)