Write the system of equations that corresponds to the augmented matrix.
A.
B.
C.
D.
Answer: C
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Find the slope of the line that passes through the given points.(9, 2) and (-10, 2)
A.
B. - 4
C. 0
D. undefined
Solve the problem.The cost for labor associated with fixing a washing machine is computed as follows: There is a fixed charge of $30 for the repairman to come to the house, to which a charge of $26 per hour is added. Find an equation that can be used to determine the labor cost, C(x), of a repair that takes x hours.
A. C(x) = 30 - 26x B. C(x) = 26 + 30x C. C(x) = 30 + 26x D. C(x) = ( 30 + 26) x
Solve the problem.An object is thrown upward with an initial velocity of 11 ft per second. Its height is given by the function at time t seconds. After how many seconds does it land on the ground?
A. 6 seconds B. 7 seconds C. 9 seconds D. 3 seconds
Graph the solution of the system.
A.
B.
C.
D.