Write an equation of the line.
A. y = - 
x
B. y = 
x
C. y = 
x
D. y = - 
x
Answer: D
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Solve the problem.An IBM Proprinter printer priced at $610 is sold for $348. What was the percent of price reduction?
A. 232.8% B. 175.3% C. 57% D. 43%
Find the nth term an of the geometric sequence.-4, -8, -16, -32, -64, . . .
A. an = (-4)(2)n-1 B. an = a1 + 2n C. an = (-4)(2)n D. an = (-4)(2n)
Solve the system of equations using Gaussian elimination or Gauss-Jordan elimination.8w + 7x - 6y - 4z = 117w + 5x - 9y - 4z = -108w - 7x + 7y + 5z = -25-6w - 4x + 7y + 8z = -2
A. (1, 5, 4, 2) B. (-1, 5, 4, -2) C. (-1, 4, -5, 2) D. No solution
Determine which, if any, of the following functions might be used as a model for the data: Linear, with 
quadratic, with 
quadratic, with with 
neither linear nor quadratic. Acme Computer Products
/> Number of connectors produced A. f(x) = mx + b B. f(x) = ax2 + bx + c, a < 0 C. f(x) = ax2 + bx + c, a > 0 D. neither linear nor quadratic