Question

What is the equation of a line with a slope of 4 that passes through point (-2,5)

Answer 1

Point slope form is:  y - y1 = m(x - x1)

So we plug in the point we were given, and use the slope, m:

 

y -5 = 4(x - 2) ANSWER

 

Now: y - 5 = 4x - 8,

 

so:         y = 4x - 8 +5  

 

so:        y = 4x - 3 ANSWER  

                 (SLOPE INTERCEPT FORM IS: y =mx + b)