Solve the inequality by using the method of your choice. State the solution set in interval notation and graph it.-18 > 9x + x2
A. (-12, -6)
| -12? | -6 |
B. (-12, -3)
| -12? | -3 |
C. (-6, -3)
| -6? | -3 |
D. (-3, 6)
| -3? | 6 |
Answer: C
Mathematics
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Divide.-56 ÷ (-7)
A. -9 B. 8 C. 9 D. -8
Mathematics
An object is attached to a coiled spring. The object is pulled down (negative direction from the rest position) and then released. Write an equation for the distance of the object from its rest position after t seconds.amplitude = 13 in.; period = 8 seconds
A. d = -13 sin 
?t
B. d = -8 cos 
?t
C. d = -13 cos 
t
D. d = -13 cos 
?t
Mathematics
Simplify the expression.
(y + 8) + 10y
A. 6y + 32
B. 6y - 32
C. 
y + 32
D. 
y - 32
Mathematics
Factor the trinomial completely. If the trinomial cannot be factored, say it is prime.x2 - 2x - 24
A. (x + 4)(x - 6) B. (x - 4)(x + 1) C. (x - 4)(x - 6) D. prime
Mathematics