Page 200 - Mathematics

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3. (a) The gradient of the line through the points A and B is m = and the
gradient of the line through B and C is undefined.

(b) The equation through the points A and B is y = and through
3
points B and C is x = 4
3 3
(c) y = − x + 3, Slope = − , -intercept is (0, 3),y -intercept is (4, 0).x
4 4
5.
y

3
Tanzania Institute of Education
2

1
(-5, 0)
-6 -5 -4 -3 -2 -1 0 0 1 2 x
-1
− 1 y − 1 x= 1
2 5 (0, -2)
-2

-3

7. y

2

1
(2, 0)
-2 -1 0 1 2 3 4 x

-1
(1, -1.5)
Mathematics Form One -3 (0, -3)
-2
0.3x - 0.2y = 0.6

-4

-5

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25/10/2024 09:52:25
Mathematics form 1.indd 194 25/10/2024 09:52:25
Mathematics form 1.indd 194