Factoring Polynomials / Quiz

Which product is equivalent to 25x2 - 16? (5x − 4)(5x + 4) (5x + 8)(5x − 8) (5x − 4)(5x − 4) (5x − 8)(5x − 8)

(5x − 4)(5x + 4)

Which expression is equivalent to 36x2 − 25? (18x)2 + (−5)2 (18x)2 − (5)2 (6x)2 + (−5)2 (6x)2 − (5)2

(6x)2 − (5)2

What is the factorization of 49b2 − 81? (7b - 9)(7b - 9) (7b - 9)(7b + 9) (7b2 - 9)(7b2 - 9) (7b2 - 9)(7b2 + 9)

(7b - 9)(7b + 9)

Which polynomial can be simplified to a difference of squares? 10a2 + 3a - 3a - 16 16a2 - 4a + 4a - 1 25a2 + 6a - 6a + 36 24a2 - 9a + 9a + 4

16a2 - 4a + 4a - 1

What is the square root of 16x36? 4x6 4x18 8x6 8x18

4x18

Which expression is a difference of squares with a factor of 2x + 5? 4x2 + 10 4x2 - 10 4x2 + 25 4x2 - 25

4x2 - 25

What is the square root of 64y16? 4y4 4y8 8y4 8y8

8y8

Which term is a perfect square of the root 3x4? 6x8 6x16 9x8 9x16

9x8

What is the square root of m6? m2 m3 m4 m5

m3

What is the square root of r64? r4 r8 r16 r32

r32