Use the quadratic formula to solve the equation. (All solutions are real numbers.)
s2 + 
s + 
= 0
A. 
B. 
C. 
D. 
Answer: B
Mathematics
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Solve the problem.The position (in centimeters) of an object oscillating up and down at the end of a spring is given by 
at time t (in seconds). The value of A is the amplitude of the motion, k is a measure of the stiffness of the spring, and m is the mass of the object. How fast is the object moving when it is moving fastest?
A. A
cm/sec
B. 
cm/sec
C. A
cm/sec
D. A cm/sec
Mathematics
Convert the units.49 kg = 
g
A. 0.49 g B. 0.049 g C. 49,000 g D. 4900 g
Mathematics
Multiply.(x2 - x - 8)(x - 1)
A. x3 - 2x2 - 8x + 8 B. x3 - 7x + 8 C. x3 - 2x2 - 7x + 8 D. x3 - 2x2 - 9x - 8
Mathematics
Factor.2x2(x + 5) - (x + 5)
A. (2x2 + 1)(x + 5) B. (2x2 - 1)(x - 5) C. (2x2 - 1)(x + 5) D. 2x2(x + 5)
Mathematics