Factor completely.x4 - 100x2
A. (x2 - 10x)(x2 + 10x)
B. x2(x + 10)2
C. x2(x - 10)2
D. x2(x - 10)(x + 10)
Answer: D
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Factor by grouping.6x - 60 + xy - 10y
A. (y - 10)(x + 6) B. (x - 10)(6 + y) C. (x - 10y)(6 + y) D. (y - 10)(6x + y)
The table of values was generated by a graphing utility with a TABLE feature. Use the following table to solve. 
Which equation corresponds to Y2 in the table?
A. y2 = x + 3 B. y2 = 3x - 2 C. y2 = 3 - 2x D. y2 = 2x + 3
Translate the problem to a system of equations, then solve using Cramer's Rule.Twice the water flow in the hot-water pipe is the same as three times the flow in the cold-water pipe. The combined flow is 1200 liters per hour. What is the flow in each pipe?
A. 600 liters/hr hot, 400 liters/hr cold B. 400 liters/hr hot, 600 liters/hr cold C. 720 liters/hr hot, 480 liters/hr cold D. 480 liters/hr hot, 720 liters/hr cold
Identify the polynomial as a monomial, binomial, trinomial, or none of these.-10x2
A. Monomial B. Binomial C. Trinomial D. None of these