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1.6 C: Coordinate geometry in the (x, y) plane

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Question 57

The line $l\,$ has equation $2 x + 5 y - 20 = 0$

$l\,$ crosses the $x$ -axis at the point $A\,$ and the $y$ -axis at the point $B$ .

Write down the coordinates of $A\,$ and of $B$ .

[2]

Find the area of triangle $O A B$ , where $O\,$ is the origin.

[2]

The point $C\,$ has coordinates $(5, 2)$ . Show that $C\,$ lies on $l$ .

[1]

Markscheme

1.6 C: Coordinate geometry in the (x, y) plane Questions

A Level
Maths
1.6 C: Coordinate geometry in the (x, y) plane

143 exam-style questions on AQA A Level Maths 1.6 C: Coordinate geometry in the (x, y) plane, covering 1.6.1 Equation of a straight line, 1.6.2 Coordinate geometry of the circle, 1.6.3 Parametric equations of curves (A-level only), and 1.6.4 Parametric equations in modelling (A-level only). Each one has a worked solution and a mark scheme showing where the marks go.

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