I hope this helps you
Ax+By=C
By=C-Ax
y=C/B-A/Bx
m= -A/B
The answer is D. 63. You have to set up a proportion as shwon in the image.
The x-value of -7 shows up more than once in relation ...
B. X -7 -5 -7 2 Y 34 32 40 34
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When there is more than one y-value for an x-value, the relation is NOT a function.
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