Find an equation for the sphere with the given center and radius.Center (0, -5, -2), radius = 3
A. x2 + y2 + z2 + 10y + 4z = -20
B. x2 + y2 + z2 + 10y - 4z = -20
C. x2 + y2 + 3z2 + 10y + 4z = -20
D. x2 + y2 + 3z2 + 10y - 4z = -20
Answer: A
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Find the slope-intercept form of the equation of the line with the given properties.Slope = 2; containing the point (-2, -1)
A. y = 2x - 3 B. y = -2x + 3 C. y = 2x + 3 D. y = -2x - 3
Use a graphing calculator to determine which expression completes the identity.The expression 
is to be the left hand side of an equation that is an identity. Which one of the following four expressions can be used as the right hand side of the equation to complete the identity?
A. cos ? sin ? B. csc ? cot ? C. tan2? - 1 D. sec ? cot ?
Solve the triangle.
?
yd, 
yd, 
yd
?
Apply the rules regarding the use of significant digits after all computations are complete.
?
__________°
?
__________°
?
__________°
What will be an ideal response?
Without graphing, find the vertex.f(x) = -(x + 3)2 + 7
A. (7, -3) B. (-7, 3) C. (7, -9) D. (-3, 7)