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