Factor the trinomial completely.-40x2 + 70x + 75
A. -5(4x - 3)(2x + 5)
B. (-20x - 15)(2x - 5)
C. (4x + 3)(-10x + 25)
D. -5(4x + 3)(2x - 5)
Answer: D
Mathematics
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Graph the system of inequalities, and find the coordinates of the vertices.3y + x ? -6,y + 2x ? 8,y ? 0,x ? 0
A. 
B. 
C. 
D. 
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Solve the problem.A toy rocket is shot vertically upward from the ground. Its distance in feet from the ground in t seconds is given by 
. At what time(s) will the ball be 
from the ground?
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Use the zero-factor property to solve the equation.2x2 - 14x + 24 = 0
A. {-4, -3} B. {3, 4} C. {-3, 4} D. {-4, 3}
Mathematics