Question

Write the equation of the line that passes through (–1, 5) with a slope of 2 in standard form.

Answer 1

y = mx+b

y = 2x+b

5 = 2(-1) + b

5 = -2 + b

5 +2 = b

7 = b

b = 7


So the equation in slope intercept form is y = 2x + 7, now convert to standard form


y = 2x + 7


y - 2x = 7


-2x+y = 7


2x - y = -7

Answer 2

y-5=2(x+1)
y=2x+2+5
y=2x+7
2x-y+7=0