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Shkiper50 [21]
3 years ago
6

How do you graph -4x+2y=8

Mathematics
2 answers:
zhannawk [14.2K]3 years ago
7 0

<em>Graph:</em>

<em>x</em>

<em>+</em>

<em>2</em>

<em>y</em>

<em>=</em>

<em>8</em>

<em>The x-intercept is the value of</em>

<em>x</em>

<em>when</em>

<em>y</em>

<em>=</em>

<em>0</em>

<em>. The y-intercept is the value of</em>

<em>y</em>

<em>when</em>

<em>x</em>

<em>=</em>

<em>0</em>

<em>.</em>

<em>To get the x-intercept, substitute</em>

<em>0</em>

<em>for</em>

<em>y</em>

<em>.</em>

<em>x</em>

<em>+</em>

<em>(</em>

<em>2</em>

⋅

<em>0</em>

<em>)</em>

<em>=</em>

<em>8</em>

<em>x</em>

<em>=</em>

<em>8</em>

<em>The x-intercept is</em>

<em>(</em>

<em>8</em>

<em>,</em>

<em>0</em>

<em>)</em>

<em>.</em>

<em>To get the y-intercept, substitute</em>

<em>0</em>

<em>for</em>

<em>x</em>

<em>.</em>

<em>0</em>

<em>+</em>

<em>2</em>

<em>y</em>

<em>=</em>

<em>8</em>

<em>2</em>

<em>y</em>

<em>=</em>

<em>8</em>

<em>Divide by</em>

<em>2</em>

<em>.</em>

<em>y</em>

<em>=</em>

<em>4</em>

<em>The y-intercept is</em>

<em>(</em>

<em>0</em>

<em>,</em>

<em>4</em>

<em>)</em>

<em>.</em>

<em>You now have two points on the line. You can plot them and then draw a straight line through the points.</em>

<em>graph{x+2y=8 [-12.55, 12.76, -5.42, 7.24]}</em>

<em>Answer:</em>

<em>The x-intercept is</em>

<em>(</em>

<em>8</em>

<em>,</em>

<em>0</em>

<em>)</em>

<em>.</em>

<em>The y-intercept is</em>

<em>(</em>

<em>0</em>

<em>,</em>

<em>4</em>

<em>)</em>

<em>.</em>

<em />

<em />

Slav-nsk [51]3 years ago
6 0
First break down the equation so it is y by nits self on the one side so add 4x to each side so 2y=4x+8 then divide each side by 3 so Y= 2x+4 the 4 is the yintercept and the 2 in front of the x is the slope so you would graph by starting at (0,6) and draw a point 2 up and 1 over and continue to rise 2 and run 1
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