How do you write the point-slope form of the equation that has a slope of 2 and passes through (-1,4)?

1 Answer
Apr 19, 2016

y=2x-6

Explanation:

There is an equation in geometry known as the point-gradient formula: y-y1=m(x-x1), where m is the gradient, and (x1,y1) are the coordinates of the point you're given.

Now let's use this formula to get a final equation:
y-(4)=(2)(x-(-1)), then simplify:
y-4=2(x+1)
y-4=2x+2
y=2x-6