Solve.x3 + 2x2 - 4x ? 8
A. [2, ?)
B. [-2, 2]
C. (-?, 2]
D. (-?, -2] ? [2, ?)
Answer: C
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Write the whole number in the sentence in standard form.Don figured out that he had lived five hundred eighty-two million, sixteen thousand seconds.
A. 582,160,000 B. 582,016,000 C. 582,000,016,000 D. 58,216,000
Write the equation of a line that passes through the given point and is parallel to the given line. Write the equation in slope-intercept form.(1, -5); y = 2x - 6
A. y = 2x - 7 B. y = -2x - 3 C. y = 2x + 7 D. y = -2x + 3
Solve the problem.A retailer knows that n games can be sold in a month at a price of 
dollars per game. Assume that he buys each game for 
and sells everyone that he buys. If he wishes to make a profit of at least 
per month on sales of this game, how many games must he sell each month?
A. 0 ? n ? 30 B. 30 ? n ? 80 C. 25 ? n ? 40 D. 30 ? n ? 50
Solve the equation by the square root property.5x2 = 55
A. {-
, 
}
B. {12}
C. {27.5}
D. {-11, 11}