Find the slope and y-intercept of the line.4x - 5y = 7
A. slope = 
; y-intercept = 
B. slope = 4; y-intercept = 7
C. slope = 
; y-intercept = - 
D. slope = 
; y-intercept = 
Answer: C
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Solve the problem.The cost, c, in dollars of car rental is c = 8 + 
m, where m is the number of miles driven. Estimate the cost of car rental if the number of miles driven is 25.
A. About 14 dollars B. About 19 dollars C. About 10 dollars D. About 27 dollars
Solve the equation for real values of the variable by factoring.
?
What will be an ideal response?
The augmented matrix of a system of equations has been transformed to an equivalent matrix in row-echelon form. If the system is consistent, then give the solution. If it is not, then state that it is inconsistent.
A. (11 + 11z, -3 - 4z, z) B. (11 + 12z, -6 - 4z, z) C. (11 + 11z, -6 - 4z, z) D. Inconsistent
Find an explicit rule for the nth term of the arithmetic sequence.-10, -20, -30, -40, ...
A. an = -10 × (-10)(n-1) B. an = -10 - (-10)(n+1) C. an = -10 + (-10)(n+1) D. an = -10 + (-10)(n-1)