Identify the numerical coefficient of the term.-10x
A. x
B. -10
C. 10
D. 1
Answer: B
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Factor.x2 - x - 30
A. x2 - x - 30 B. (x + 1)(x - 30) C. (x + 6)(x - 5) D. (x + 5)(x - 6)
Use the graph of the inequality to find the set.A = {x|x < 3}, B = {x|x > -2}Find A ? B.
A. {x|x > -2}; (-2, ?)
B. {x|-2 < x < 3}; (-2, 3)
C. {x|x < 3}; (-?, 3)
D. {x|-? < x < ?}; (-?, ?)
Find the vertex, the focus, and the directrix of the parabola.(x + 4)2 = -20(y - 2)
A. V: (-4,2); F: (-9,-3); D: y = 7 B. V: (2,-4); F: (-4, -3); D: y = 7 C. V: (-4,2); F: (-4, -3); D: y = 7 D. V: (-4,3); F: (-4, -3); D: y = 7
Write a system of linear equations that models the situation. Do not solve.If 6 boxes of chocolate-covered almonds and 8 soft drinks cost 
and 2 boxes of chocolate-covered almonds and 7 soft drinks cost 
, find the price of a box of chocolate-covered almonds and the price of a soft drink.
A. 6x + 7y = 26 8x + 2y = 13 B. 8x + 6y = 26 2x + 7y = 13 C. 6x + 2y = 26 8x + 7y = 13 D. 6x + 8y = 26 2x + 7y = 13