anonymous
  • anonymous
find the intercepts and then use them to graph the equation 5x+4y=20
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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jamiebookeater
  • jamiebookeater
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anonymous
  • anonymous
to find x-intercept, set y=0 and solve for x. to find y-intercept, set x=0 and solve for y.
anonymous
  • anonymous
how do i do that
anonymous
  • anonymous
let's find the x-intercept first. plug in a 0 for y: 5x + 4(0) = 20 now solve this.

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anonymous
  • anonymous
x=4?
anonymous
  • anonymous
yes. that's your x-intercept. now set x=0 and solve for y.
anonymous
  • anonymous
still there?
anonymous
  • anonymous
yea but lost
anonymous
  • anonymous
set x=0 so your equation is 5(0) + 4y = 20
anonymous
  • anonymous
5=y?
anonymous
  • anonymous
yes, that's your y intercept. so now you have two points. just draw a line through these two points to show the graph: |dw:1332635444085:dw|
anonymous
  • anonymous
use my sketch to draw it...
anonymous
  • anonymous
|dw:1332635232913:dw|
anonymous
  • anonymous
close but remember, your x intercept is 4...|dw:1332635749460:dw|

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