Solve the problem.Find the equation of the line which contains P(-3, 9) and which is perpendicular to the y-axis.
A. x = -3
B. y = 9
C. y = -3
D. x = 9
Answer: B
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Evaluate the expression for the given replacement values.
x = 6, y = -9, z = 18
A. - 2 B. 2 C. 1 D. -1
Provide an appropriate response.Suppose that you are solving a system of three linear equations by the Gauss-Jordan method and obtain the following augmented matrix. 
What row operation would you perform next?
A. Add -5 times row 1 to -11 times row 3 to obtain a zero in the third row, second column position.
B. Multiply row 2 by - 
.
C. Add row 1 to row 2.
D. Multiply row 1 by - 
.
Express as a sum of logarithms.log67x
A. log67 - log6x B. log67 + log6x C. log37 - log3x D. log37 + log3x
Solve the system by graphing. If there isn't a unique solution to the system, state the reason.2x + y = 12x + y = 6
A. ( 
, 0)
B. dependent equations
C. inconsistent system of equations
D. ( 3, 0)