Use grouping to help factor the expression.x3 + 5x2 - 25x - 125

A. (x + 5)3
B. (x + 5)(x - 5)2
C. (x - 5)(x + 5)2
D. (x + 10)(x - 10)2


Answer: C

Mathematics

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Use "intersect" on a graphing calculator to solve the system. Round the coordinates of the solution to the second decimal place. If the system is inconsistent or dependent, say so.y = -3.43x - 7.19y = 2.89x - 1.05

A. (-0.97, 3.86) B. (-0.97, -3.86) C. (-3.86, 0.97) D. (-3.86, -0.97)

Mathematics

What is the minimum vertical distance between the parabolas y = +1 and y = x ? ?

What will be an ideal response?

Mathematics

Find the zeros of the polynomial function. State whether the graph crosses the x-axis, or touches the x-axis and turns around, at each intercept. f(x) = x2(x - 2)(x - 5)

A. x = 0, touches the x-axis and turns around; x = -2, crosses the x-axis; x = -5, crosses the x-axis B. x = 0, crosses the x-axis; x = 2, crosses the x-axis; x = 5, crosses the x-axis C. x = 0, crosses the x-axis; x = 2, touches the x-axis and turns around; x = 5, touches the x-axis and turns around D. x = 0, touches the x-axis and turns around; x = 2, crosses the x-axis; x = 5, crosses the x-axis

Mathematics

Multiply. Express the product in lowest terms. ? 

A.  
B. 14
C.  
D.

Mathematics