4.08 quiz: factoring difference of squares

question 1 (20 points)

factor: x^2 - 36

a.) (x - 6)(x + 6)

b.) (x - 6)^2

c.) (x - 36)(x + 36)

d.) (x + 36)^2

question 2 (10 points)

factor: 4x^4 - 64

a.) (4x - 8)(4x + 8)

b.) (2x^2 -8)2

c.) (2x^2 - 32)(2x^2 + 32)

d.) (2x^2 + 8)(2x^2 - 8)

Evaluate-27 ^4/3/8 a) - 81/16 b) 81/16 c) 16/81

An energy drink company claims that its product increases students' memory levels. to support its claims, the company issues advertisements claiming that 8 out of 10 people (chosen randomly from across the country) who tried their product reported improved memory. the missing component in this study is a .

1c) the number 131 is a term in the sequence defined by the explicit rule f(n)=5n-4. which term in the sequence is 131? 2a) write the first four terms of the function f(n)=n^2-1 2b) what is the 10th term of the sequence defined by the explicit rule f(n)=n^2-1 2c) the number 224 is a term in the sequence defined by the explicit rule f(n)=n^2-1. which term in the sequence is 224?