aubriana1
aubriana1 aubriana1
  • 12-04-2018
  • Mathematics
contestada

Calculate the slope of the line 4x+5y=20

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musiclover10045
musiclover10045 musiclover10045
  • 12-04-2018
4x+5y =20
 subtract 4x from both sides:

5y = 20 - 4x
 divide both sides by 5

y = 4 - 4x/5

rewrite in slope intercept form:

y = -4/5x +4

the slope is -4/5

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