What is the slope of a line that is perpendicular to a line whose equation is −2y = 3x + 7 ? Enter your answer in the box.
2 answers:
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Answer:
coefficent matrix
Step-by-step explanation:
P. 366
"If the column of constant terms is not included, the matrix reduces to that of the coefficent matrix of the system"
-1 -3 -1
9 -9 -1
-1 -3 4
