Jacklyn A.

asked • 12/26/19

Graphing mathematics question

Graph by completing a table of x and y values to find least three points on the line 2x-4y=20 algebraically

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David W. answered • 12/27/19

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x y

0 -5 [the y-intercept; when x=0]

6 -2

10 0 [the x-intercept; when y=0]


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Jacklyn A.

Can you explain by showing work so I can see how you came to that answer ? Thank you for your response!!
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12/27/19

David W.

Sure. Let x=0; 2(0)-4y=20; -4y=20; y=-5; then let y=0; 2x-4(0)=20; 2x=20; x=10; finally, select whole numbers for (x,y); when x=6; 2(6)-4(y)=20; 12-4y=20; -4y=8; y=-2 Plot three points (0-5), (6,-2). and (10,0)
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12/27/19

Jacklyn A.

Awesome thank you that was more helpful
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12/27/19

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