Without graphing, find the vertex.f(x) = -(x + 2)2 + 6
A. (6, -4)
B. (- 6, -2)
C. (-2, 6)
D. (-6, 2)
Answer: C
Mathematics
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Simplify the expansion.(5 ? 102) + (7 ? 101) + (2 ? 100)
A. 572 B. 5072 C. 5720 D. 570
Mathematics
Add.35 + 77
A. 111 B. 113 C. 102 D. 112
Mathematics
Draw the given angle in standard position. Draw an arrow representing the correct amount of rotation. Find the measure of two other angles, one positive and one negative, coterminal with the given angle.130°
A. 310° and -50°
B. 310° and -50°
C. 490° and -230°
D. 490° and -230°
Mathematics
Find the exact value of the expression. Do not use a calculator.1 - sin2 30° - sin2 60°
A. 1
B. 
C. 
D. 0
Mathematics