Use Cramer's rule to solve the system of equations. If D = 0, use another method to determine the solution set.6x - 7y = 774x - 4y = 48
A. {(7, -5)}
B. {(7, -4)}
C. {(6, -4)}
D. Cramer's rule does not apply since D = 0; ?
Answer: A
Mathematics
You might also like to view...
Give an appropriate answer.Find all points (x, y) at which the tangent plane to the graph is horizontal.
A. (4, -1) B. (-4, 1) C. (4, 1) D. (-4, -1)
Mathematics
Graph each system of inequalities and shade the portion of the graph represented by the solution set..
A.
B.
C.
D.
Mathematics
Use the power rules for exponents to simplify. Write the answer in exponential form.3
A.
B.
C. 123
D.
Mathematics
Add or subtract. Then simplify. If a denominator has two or more factors (other than monomials), leave it in factored form. Express the answer using the denominator of the first fraction when applicable.
-
A.
B.
C.
D.
Mathematics