Page 155 - Mathematics

Example 6.25

Draw the graph of the equation y − 2x = 2.

Solution
Given the equation y − 2x = 2 Re-write the equation in the form y = mx + . c Tanzania Institute of Education
That is, y = 2x + 2.

2
The table of values for y = 2x + is as follows:
x 2 − − 1 0 1
y 2 − 0 2 4

Therefore, the graph of the given equation is illustrated in the following figure.

y
4 (1, 4)

3

(0, 2)
2
y - 2x = 2
1
(-1, 0)

-3 -2 -1 0 1 2 3 x
-1

(-2, -2)
-2

Example 6.26

Draw the graph of the equation 5x − 4y +=
7 0.
Solution

Given 5x − 4y += mx + . c
7 0. Re-write the equation in the form y =
5 7 Mathematics Form One
That is y = x + .
4 4

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25/10/2024 09:52:00
Mathematics form 1.indd 149 25/10/2024 09:52:00
Mathematics form 1.indd 149