Solve the quadratic equation.x2 + 2x - 35 = 0
A. 7, -5
B. -7, 5
C. 7, 5
D. -7, 1
Answer: B
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Solve the problem.A rectangle has area A m2 with A = w(8 - w), where w is the width of the rectangle and the perimeter is 16m. Sketch the graph of A as a function of w.
A. 
B. 
C. 
D. 
Find the quotient.
÷ 
A. 
B. 
C. 1
D. 1
Solve the system of equations by elimination.
A. x = 16, y = 
; 
B. x = -18, y = - 
; 
C. x = -16, y = - 
; 
D. x = 18, y = 
; 
An object attached to a coiled spring is pulled down a distance a from its rest position and then released. Assuming that the motion is simple harmonic with period T, write an equation that relates the displacement d of the object from its rest position after t seconds. Also assume that the positive direction of the motion is up.a = 5;
T = 10 seconds
A. d = 5 cos (10t)
B. d = 5 cos 
C. d = -5 cos 
D. d = -5 cos (10t)