Question

Write the equation of the line passes through (-1,4) with a slope of -1 in standard form

Answer 1

standard form is y = mx + b where m is the slope
y = 4
x = -1
m = -1
find b

Answer 2

Standard form:Ax + By = C, y=mx+b is slope intercept form

Answer 3

ah ok

Answer 4

so can you help?

Answer 5

solve for the slope intercept form anyway, then change it to the standard form

Answer 6

y - y1 = m(x - x1)
slope(m) = -1
x1 = -1
y1 = 4

y - 4 = -1(x - (-1)
y - 4 = -x + 1
y = -x + 1 + 4
y = -x + 5 <-- slope intercept form

Ax + By = C
y = -x + 5
x + y = 5 < -- standard form