What is the point-slope form of a line that has a slope of 5 and passes through the point (3, –4)?

Question

uuuuuu lo7nb5

Answer 1

The equation of a straight line is given by y=mx+b, where m is its slope.

In this example m=5. So, the equation is

y=5x+b. We need to find b; the line passes through the point (3,-4).This means that when x=3, y=-4.

-4=5*3+b

b=-19

 

Thus, y=5x-19 is the required equation.