Find the vertex.f(x) = -2x2 - 20x - 48
A. (5, -2)
B. (2, -5)
C. (-5, 2)
D. (-2, 5)
Answer: C
Mathematics
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Using the curve-sketching guide, select the graph of the function.
?
?
A. ?
B. ?
C. ?
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Find the LCD for the set of fractions.
, 
, 
A. 6 B. 30 C. 15 D. 10
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Find the volume of the circular cone. Use 3.14 or 
for ? as indicated and round as indicated. Use 3.14 for ?. Round to the nearest hundredth.
A. 512.87 mi3 B. 1538.6 mi3 C. 36.63 mi3 D. 2051.47 mi3
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Factor the polynomial by grouping.x2 + 5x + 8x + 40
A. (x - 5)(x - 8) B. (x + 5)(x + 8) C. (x - 5)(x + 8) D. prime
Mathematics