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dusya [7]
2 years ago
13

When graphing the equation y=-3x+2, a student plotted the y-intercept at 2, then moved down three units and to the left 2 units

because the slope is negative, so both rise and run are negative. Find this error and correct it.
Mathematics
2 answers:
kaheart [24]2 years ago
7 0

Answer:

The error is founded in the slope, specifically in the run.

When seen a negative slope, that only applies to the rise but <u>not</u> the run.

Instead, the student should run 1(not 2) units to the <u>right</u>.

The slope had not mentioned any 2 in the run.

So it would sound like down 3, over 1, starting from 2.

Tems11 [23]2 years ago
7 0

The y intercept at 2 is correct. This is the location (0,2)

The slope is -3 or -3/1, meaning that we move down 3 and to the right 1 unit. Doing so has us go from (0,2) to (1,-1). Plot these two points together on the same xy grid and draw a straight line through the two points.

See below.

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