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What is the equation of the line that has a slope of 3 and passes through the point (1, -2)

User Kirimi
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1 Answer

3 votes

Answer:

y= 3x -5

Explanation:

The equation of a line can be written in the slope- intercept form, y= mx +c (where m is the slope and c is the y- intercept).

Given that the slope is 3, m= 3. Substitute m= 3 into the equation.

y= 3x +c

To find the value of c, substitute a pair of coordinates into the equation.

When x= 1, y= -2,

-2= 3(1) +c

-2= 3 +c

c= -2 -3

c= -5

Thus the equation if the line is y= 3x -5.

User Neto Buenrostro
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