Determine the quadratic function whose graph is given.
A. f(x) = -x2 - 9
B. f(x) = x2 - 9
C. f(x) = -x2 + 9
D. f(x) = x2 + 9
Answer: B
Mathematics
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Solve.The second angle of a triangular yard is 4 times as large as the first. The third angle is 90° greater than the first. How large are the angles?
A. First: 10°; second: 40°; third: 130° B. First: 15°; second: 60°; third: 105° C. First: 14°; second: 56°; third: 110° D. First: 10°; second: 40°; third: 100°
Mathematics
Solve the inequality. Express your answer using interval notation.6 - 2(2 - x) ? 16
A. (-?, 7]
B. (-?, 8]
C. [7, ?)
D. (-?, 7)
Mathematics
Factor out the GCF. If prime, so state.14m6 - 14m4 - 16m2
A. 2m2(7m4 - 7m2 - 8) B. prime C. 2(7m6 - 7m4 - 8m2) D. m2(14m4 - 14m2 - 16)
Mathematics
Find the value of x that satisfies the equation.4.5 + x = 24
A. x = 19.5 B. x = 19 C. x = 28.5 D. x = 28
Mathematics