Determine whether the slope of the line is positive, negative, zero, or undefined.
A. positive
B. zero
C. undefined
D. negative
Answer: B
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Add the polynomials.(6y5 + 2y3 + 8y) + (2y5 + 3y3 - 6y)
A. 15y9 B. 8y + 5y5 + 2y3 C. 8y5 + 5y3 + 2y D. 10y5 + 9y3 - 4y
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. open infinite interval; {x|x > 1}; (1, ?) B. closed infinite interval; {x|x ? 1}; [1, ?) C. closed infinite interval; {x|x ? 1}; (-?, 1] D. open infinite interval; {x|x < 1}; (-?, 1)
Perform long division.
A. x2 - 2x - 4 B. x2 + 2x + 4 C. x2 - 2x + 4 D. x2 + 4
Use the information given about the angle ?, 0 ? ? ? 2?, to find the exact value of the indicated trigonometric function.cos ? = - 
, ? < ? < 
Find cos 
.
A. 
B. 
C. - 
D. - 