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anygoal [31]
3 years ago
13

Write the point-slope form of an equation of the line through the points (-1, 4) and (-2, 2).

Mathematics
2 answers:
kozerog [31]3 years ago
5 0

Answer:

Point-slope form: y-4=2(x+1)

Slope intercept form: y=2x+6

I hope this helps!

xz_007 [3.2K]3 years ago
4 0

Answer:

y-4=2(x+1)

Step-by-step explanation:

Point-slope form is equal to

y-y_1=m(x-x_1)

where y and y1 are the known y coordinates of two points on the line, and x and x1 are the known x coordinates of two points on the line. All we need now is m, which is the slope:

4-2=m(-1-(-2))

We can simplify negative one minus negative two as positive 1.

4-2=m(1)

4 minus 2 is 2, so m times 1 is 2. That means m is 2.

Now, we have the slope, so we can convert to point-slope form using one of the two points. Let's use (-1, 4). We can plug those values in for x1 and y1:

y-4=2(x+1)

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