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Equations of Line in Different Forms

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Topics

  • y = mx+c
CISCE: Class 10

Formula: Slope–Intercept Form

When slope and y-intercept are given

y = mx + c

  • m = slope

  • c = y-intercept (value of y when x = 0)

CISCE: Class 10

Definition: Linear Equation

An equation of the form ax + by + c = 0 represents a straight line and is known as a linear equation.

CISCE: Class 10

Formula: Point–Slope Form

When the slope and one point are given

y − y1 = m(x − x1)

CISCE: Class 10

Formula: Two-Point Form

When two points are given

\[\frac{y-y_1}{x-x_1}=\frac{y_2-y_1}{x_2-x_1}\]

Shaalaa.com | General Form of Linear Equation

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