Find the vertices of the ellipse.36(x + 3)2 + 25(y - 1)2 = 900
A. (3, 7), (3, -5)
B. (-2, 7), (-2, -5)
C. (-3, 1 - 
), (-3, 1 + 
)
D. (-3, 7), (-3, -5)
Answer: D
Mathematics
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Find the derivative.r = 20 - ?7 cos ?
A. 
= 7?6 sin ?
B. 
= - 7?6 cos ? + ?7 sin ?
C. 
= 7?6 cos ? - ?7 sin ?
D. 
= 7?6 sin ? - ?7 cos ?
Mathematics
Find the zeros of the polynomial function.f(x) = x3 + 3x2 - x - 3
A. x = 9 B. x = -1, x = 1, x = - 3 C. x = 1, x = - 3, x = 3 D. x = - 3, x = 3
Mathematics
Use your graphing calculator to determine if the equation appears to be an identity by graphing the left expression and right expression together.
?
?
A. This is an identity B. This is not an identity
Mathematics
Solve the equation by the method of your choice. Simplify irrational solutions, if possible.(4x + 3)2 = 7
A. 
B. 
C. 
D. 
Mathematics