Factor.5x2 - 40x + 80
A. (x - 4)(5x - 20)
B. 5(x - 4)(x - 4)
C. 5x2 - 40x + 80
D. 5(x - 16)(x + 1)
Answer: B
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Multiply. Change any mixed number to an improper fraction before multiplying.1
× 5
A. 6
B. 25
C. 9
D. 5
Write a slope-intercept equation for a line with the given characteristics.m = - 
, passes through (-8, -3)
A. y = 
x + 9
B. y = - 
x + 9
C. y = - 
x + 12
D. y = - 
x - 9
Solve the problem.Set up a revenue function, R(n), that can be used to solve the problem, then solve the problem.A business sells n electric spatulas, n ? 200, at a price of (200 - 0.5n) dollars per spatula. How many electric spatulas must be sold to have a revenue of $9048?
A. 52 B. 55 C. 54 D. 47
Provide an appropriate response.Find the slope of a line perpendicular to the line x + 7y = 1.
A. - 
B. 
C. -7
D. 7