Write an equation for the parabola.
A. y2 = -8x
B. y2 = 8x
C. x2 = -8y
D. x2 = 8y
Answer: B
Mathematics
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Find a Cartesian equation for the line whose polar equation is given.r cos
= 4
A. y = x + 4
B. y = x - 8
C. y = 
x - 8
D. y = x + 4
Mathematics
Graph the exponential function whose equation is given. Start by using -2, -1, 0, 1, and 2 for x and finding the corresponding values for y.f(x) = 3x
A. 
B. 
C. 
D. 
Mathematics
The figure shows the velocity v or position s of a body moving along a coordinate line as a function of time t . Use the figure to answer the question. v (ft/sec)
When is the body's acceleration equal to zero?
A. 0 < t < 2, 6 < t < 7 B. t = 2, t = 3, t = 5, t = 6 C. 2 < t < 3, 5 < t < 6 D. t = 0, t = 4, t = 7
Mathematics
Perform the indicated operation
Mathematics