CAIE IGCSE Mathematics E3.3.2 Calculate the gradient of a straight line from the coordinates of two

Practise calculating the gradient of a line from two points, and using a known gradient to connect unknown coordinates.

Exam points

calculate gradient from two coordinates using change in y over change in x
form and simplify an equation when a line has a given gradient and an unknown coordinate

[Maximum number: 2]

15 C is the point (5,-1) and D is the point (13,15).

Find the gradient of CD.

2
M1 for $\frac{15-(-1)}{13-5}$

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