Solve any maths problem
Equations, derivatives, integrals, matrices, triangles, primes, statistics, or a word problem the tutor breaks into parts.
Step by step
- m = \frac{\Delta y}{\Delta x} = \frac{-4}{4} = -1
Slope = rise over run.
- y - 2 = -1(x - -1)
Point-slope form through P.
- y = 1 - x
Slope-intercept form.
Reveal the answer
y = 1 - x