Draw the graph of y = 2x + 4. Use the graph to find the area between the line and the axes. [4 MARKS]

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Solution

Line on graph : 2 Mark
Formula for area : 1 Mark
Result : 1 Mark

When x= 0, y= 4

and when x= -1, y= 2

The triangle formed is a right-angled triangle with base 2 units and height 4 units.

Area enclosed = $\frac{1}{2} \times b \times h = \frac{1}{2} \times 2 \times 4 = 4 s q . u n i t s .$

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