Factor completely. If a polynomial cannot be factored, say it is prime.3x5 - 6x3
A. 3x4(x - 2x)
B. 3(x5 - 2x3)
C. 3x3(x2 - 2)
D. x5(3x2 - 6)
Answer: C
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Solve.The product of a number and 5 is four times the sum of that number and 10. Find the number.
A. 45 B. 4 C. 40 D. 10
Multiply.(x2 + 8y)(x2 - 8y)
A. x4 - 16x2y - 64y2 B. x4 + 16x2y - 64y2 C. x4 - 16y2 D. x4 - 64y2
Given the set sketched on the number line, identify the type of interval (open, closed, half-open, open infinite, closed infinite), write the set using set-builder notation, and write the set using interval notation.
A. closed infinite interval; {x|x ? 1}; [1, ?) B. open infinite interval; {x|x > 1}; (1, ?) C. open infinite interval; {x|x < 1}; (-?, 1) D. closed infinite interval; {x|x ? 1}; (-?, 1]
Use the definition or identities to find the exact value of the indicated trigonometric function of the acute angle ?.tan ? = 
Find sin ? and cos ?.
A. sin ? = 
, cos ? = 
B. sin ? = 
, cos ? = 
C. sin ? = 
, cos ? = 
D. sin ? = 
, cos ? = 