18. Systems of Equations and Matrices
Determinants and Cramer's Rule
Multiple Choice
Multiple ChoiceWrite each equation in standard form and use Cramer's Rule to solve the system.
y=−3x+4
−2x=7y−9
A
x=1,y=1
B
x=−1,y=1
C
x=1,y=−1
D
x=−1,y=−1
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