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Yanka [14]
3 years ago
10

Write the equation of a line in slope - intercept form using m=2 and (-1,5)

Mathematics
1 answer:
EastWind [94]3 years ago
6 0

The slope-intercept form:

y=mx+b

m - slope

b - y-intercept

We have the slope m=2\to y=2x+b.

Put the coordinates of the point (-1, 5) to the equation of the line:

5=2(-1)+b

5=-2+b       <em>add 2 to both sides</em>

7=b\to b=7

Answer: y=2x+7

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