Find the vertex for the parabola whose equation is given.y = -3x2 + 30x - 9
A. (-5, -234)
B. 
C. (5, 66)
D. 
Answer: C
Mathematics
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Solve the equation by factoring.8x2 = -15x - x3
A. {-3, -5} B. {0, 3, 5} C. {3, 5} D. {0, -3, -5}
Mathematics
Answer the question.Consider the numbers 15, 
, -2, 0, 
, 
, 
. Which are real numbers?
A. 15, 
, -2, 0, 
, 
B. 15, -2, 0, 
, 
C. 15, -2, 0, 
, 
D. 15, -2, 0, 
Mathematics
Find the slope and the y-intercept of the given line.5x + 7y = 48
A. -1
; 
B. 
; 
C. - 
; 
D. 1
; 
Mathematics
Find the union.{e, f, g, h, i} ? {h, i, j, k, l}
A. {e, f, g, j, k, l} B. ? C. {e, f, g, h, i, j, k, l} D. {h, i}
Mathematics