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Two points Formulas Revision

Click the option on the left followed by your answer on the right

1

Distance between two points

$$\sqrt{(x_2 - x_1)^2 + (y_2 - y_1)^2}$$

2

Slope of the line joining the two points

$$\dfrac{y_2 - y_1}{x_2 - x_1}$$

3

Midpoint between the two points

$$\left(\dfrac{x_1 + x_2}{2}, \dfrac{y_1 + y_2}{2}\right)$$

4

Equation of the line passing through the points

$$\dfrac{y-y_1}{y_2-y_1} = \dfrac{x-x_1}{x_2-x_1}$$

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