Graph the equation. Identify the coordinates of the vertex.y = x2 + 4x - 7
A. (-2, -11)
B. (-2, 3)
C. 
D. (4, 0)
Answer: A
Mathematics
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Solve the problem.Suppose that the velocity of a falling body is v = ks2 (k a constant) at the instant the body has fallen s meters from its starting point. Find the body's acceleration as a function of s.
A. a = 2ks3 B. a = 2k2s3 C. a = 2ks D. a = 2ks2
Mathematics
Evaluate the sum using the given information.x1 = 0, x2 = -4, and x3 = 4
A. - 
B. - 
C. - 
D. - 
Mathematics
Solve.Find the sum of the first 116 natural numbers.
A. 13,572 B. 13,456 C. 6786 D. 6670
Mathematics
Simplify the radical.
A. - 
B. - 
C. -5
D. 
Mathematics