Question 180788
Graph a line. The line through (-2,5) with slope -1.
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y = mx + b

You know y = 5 when x = -2 and m = -1; so solve for "b":

5 = -1*-2 + b
b = 3
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Equation:
y = -x + 3

Graphing:
when x = 0, y = 3 giving you point (0,3)
Plot (0,3) and (-2,5) and draw a line thru them:

{{{graph(400,300,-10,10,-10,10,-x+3)}}}
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Cheers,
Stan H.