Maths & numbers
Line equation evaluator
Evaluate y = mx + b and find its axis intercepts.
A clear answer. Here’s how.
Evaluates y = mx+b directly. The x-intercept is −b/m for non-zero m. For a horizontal line, reports either no x-intercept or every x when b is zero.
See a worked example
Worked example
A fixed demonstration, separate from the values you enter above.
- Slope m
- 2
- Y-intercept b
- 3
- Evaluate at x
- 4
Example result
- y at the requested x
- 11
- Y-intercept
- 3
- X-intercept
- -1.5