Solve the equation by completing the square.a2 - 12a = -27
A. {±
}
B. {24, 3}
C. {-9, -3}
D. {9, 3}
Answer: D
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Determine where the given function is concave up and where it is concave down. q(x) = 6x3 + 2x + 3
A. Concave up for all x B. Concave down for all x C. Concave up on (-?, 0), concave down on (0, ?) D. Concave up on (0, ?), concave down on (-?, 0)
Solve the problem.The students at ABC School are selling tickets for their carnival. Each ticket sells for 50¢. The school wants to raise $7500 in ticket sales. How many tickets must the school sell to reach its goal of $7500?
A. 150,000 B. 3750 C. 15,000 D. 1500
Solve the cubic equation using factoring and the quadratic formula.x3 - 64 = 0
A. {4, 2 ± 2
}
B. {4, -2 ± 2i
}
C. {4, 2 ± 2i
}
D. {4, -2 ± 2i}
Solve the problem.For what numbers x, 0 ? x ? 2?, does sin x = 0?
A. 0, ?, 2?
B. 0, 1
C. 
, 
D. 0, 1, 2