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Line Equation Finder

For new calculation simply change the number in input box. Answer is automatic

Given X - intercept =

Given Y - intercept =

Answer is: x + y + = 0 ; written in simpliest form

Answer is: y = x + written in slope form

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Find first the equation of the line. Then you can use the what if scenario below. For example what if the value of x = 7.5 then what will be the value of y.

When x = Then y =

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When y = Then x =

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Formula Recall :

y = mx + b ; Equation of a line in slope form ---- Equation 1

mx - y + b = 0; re-writing in the form

Ax + By + C = 0 ----Equation 2

b = y - intercept

slope, m = / ;
m = y-intercept / -( x-intercept)

By direct substitution of the value of m and b in Equation 2

x + y + = 0 ; in simpliest form

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