Find an equation for the parabola described.Vertex at (5, -8); focus at (1, -8)
A. (x + 5)2 = 28(y - 8)
B. (y + 8)2 = 16(x - 5)
C. (x + 5)2 = -28(y - 8)
D. (y + 8)2 = -16(x - 5)
Answer: D
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Use the quotient rule to simplify the expression. Use positive exponents to write the answer.
A. - 
B. - 
C. 
D. - 
Find the standard form of the equation of a circle that satisfies the given conditions.Center (19, 2); touching the y-axis
A. (x - 19)2 + (y - 2)2 = 361 B. (x - 2)2 + (y - 19)2 = 361 C. (x - 2)2 + (y - 19)2 = 19 D. (x - 19)2 + (y - 2)2 = 19
Solve.A rock falls from a tower that is 432 ft high. As it is falling, its height is given by the formula 
How many seconds will it take for the rock to hit the ground (h=0)? Round to the nearest tenth.
A. 5.2 sec B. 11,664 sec C. 20.8 sec D. 27 sec
Identify the terms and then name the coefficients of each term.x2 - 
A. terms: x2, - 
coefficients: 1, - 
B. terms: x2, - 
coefficients: 1, - 
C. terms: x2, 
coefficients: 1, 
D. terms: x2, - 
coefficients: x, - 