Sketch the graph of the equation. If the graph is a parabola, find its vertex. If the graph is a circle, find its center and radius.y = -4x2
A. vertex (0, 0)
B. vertex (0, 0)
C. vertex (0, -4)
D. vertex (0, 0)
Answer: B
Mathematics
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Simplify by factoring out the given factor.14s1/7 - 9s-4/7; s-4/7
A. s-4/7(14s5/7 - 9s) B. s1/7(14s5/7 - 95/9) C. s-4/7(14s5/7 - 9) D. s1/3(14 - 9s5/9)
Mathematics
Solve the problem.A boat is 180 feet from the base of cliff. If the distance from the top of the cliff to the boat is 45 more than twice the height of the cliff. Find the height of the cliff. Round to the nearest tenth of a foot if necessary.
A. 135 ft B. 75 ft C. 100.6 ft D. 45 ft
Mathematics
Multiply.(3 + p)2
A. p2 + 9 B. p + 9 C. 9p2 + 6p + 9 D. p2 + 6p + 9
Mathematics
Solve.x2 = 81
A. 40.5 B. -9, 9 C. -10, 10 D. 9
Mathematics