Find the equations of the system shown on the graphing calculator screen.10
-10
A. x + y = -1
x + 3y = -9
B. x + y = 1
x - 3y = -9
C. y = 2x + 1
y = -0.3x - 5.9
D. 5x + y = 20
2x - y = 1
Answer: B
Mathematics
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A. {±7}
B. {
}
C. {±
}
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%
A. 0.7 B. 0.37 C. 0.007 D. 0.0007
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