How do you graph $8 x - 5 y = 80$ $8x-5y=80$ ?

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How do you graph $8 x - 5 y = 80$ $8x-5y=80$ ?

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Answer 1 · 2017-05-27T08:47:36

$see explanation$ $"see explanation"$

Explanation:

$one way is to find the intercepts and draw a$ $"one way is to find the intercepts and draw a "$
$straight line through them$ $"straight line through them"$

$to find the intercepts$ $color(blue)"to find the intercepts"$

$∙ let x = 0, in the equation for y-intercept$ $• " let x = 0, in the equation for y-intercept"$

$∙ let y = 0, in the equation for x-intercept$ $• " let y = 0, in the equation for x-intercept"$

$x = 0 \to 0 - 5 y = 80 \Rightarrow y = - 16 \leftarrow y-intercept$ $x=0to0-5y=80rArry=-16larrcolor(red)" y-intercept"$

$y = 0 \to 8 x - 0 = 80 \Rightarrow x = 10 \leftarrow x-intercept$ $y=0to8x-0=80rArrx=10larrcolor(red)" x-intercept"$

$plot these 2 points and draw a straight line through them$ $"plot these 2 points and draw a straight line through them"$

graph{8/5x-16 [-40, 40, -20, 20]}

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How do you graph $8 x - 5 y = 80$ $8x-5y=80$ ?

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