CAIE IGCSE Mathematics Extended E3.3 Gradie…raphs

Covered syllabus points

[Maximum number: 2]

Find the gradient of line l.

$-\frac{3}{4}$ or -0.75

M1 for correct rise over run
or B1 for answer $\frac{3}{4}$ oe

[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 $\frac{15-(-1)}{13-5}$

[Maximum number: 2]

11 M has coordinates (4,1) and N has coordinates (-2,-7).

Find the gradient of MN.

$\frac43$ or $\frac86$
M1 for $\frac{1-(-7)}{4-(-2)}$ oe

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