Find the slope of the line that goes through the given points.(-2, 9), (-1, -2)
A. - 
B. - 11
C. 11
D. - 
Answer: B
Mathematics
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Determine the symmetries of the curve.r2 = 7 cos 5?
A. x-axis, y-axis, origin B. y-axis only C. Origin only D. x-axis only
Mathematics
Verify the identity.
= 
What will be an ideal response?
Mathematics
Factor as completely as possible. If unfactorable, indicate that the polynomial is prime.x2 + 26x + 27
A. Prime B. (x + 9)(x - 3) C. (x + 27)(x - 1) D. (x - 9)(x + 3)
Mathematics
Use the information given about the angle ?, 0 ? ? ? 2?, to find the exact value of the indicated trigonometric function.cos ? = 
, 
? ? ? 2?Find cos 
.
A. - 
B. 
C. - 
D. 
Mathematics