Solve the equation.12y2 + 35y + 25 = 0
A. y = - , -
B. y = ,
C. y = - , -
D. y = , -
Answer: C
Mathematics
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A. Yes B. No
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Solve the problem.A spotlight has a parabolic cross section that is 6 ft wide at the opening and 2.5 ft deep at the vertex. How far from the vertex is the focus? Round answer to two decimal places.
A. 0.21 ft B. 0.52 ft C. 0.90 ft D. 0.26 ft
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Use a graphing calculator to find all real solutions of the equation. x³ = x+3
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Evaluate the expression.(-6)3
A. -18 B. 216 C. 18 D. -216
Mathematics