# Core 1 Formulae

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- Created by: Harraseda
- Created on: 17-05-16 17:33

## Other questions in this quiz

## 2. Equation of a line

- [(x2-x1)^2 + (y2-y1)^2]^2
- (y-y1)=m(x-x1)
- (x-x1)=m(y-y1)
- Square Root of: (x2-x1)^2 + (y2-y1)^2

## 3. Gradient of a line

- (x2-x1)/2 , (y2-y1)/2
- (y2-y1)/(x2-x1)
- (y-y1)=m(x-x1)
- (x2-x1)/(y2-y1)

## 4. Length of a line from two points

- (y2-y1)/(x2-x1)
- Square Root of: (x2-x1)^2 + (y2-y1)^2
- [(x2-x1)^2 + (y2-y1)^2]^2
- (y-y1)=m(x-x1)

## 5. Midpoint of two points

- (x2-x1)/2 , (y2-y1)/2
- (y2-y1)/(x2-x1)
- (y-y1)=m(x-x1)
- (x2-x1)/(y2-y1)

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