Page 153 - Mathematics_F1

Exercise 6.5

1. Find the equation of the line using the given point and gradient:
3
(a) (2, 1), gradient 2 (d) ( 2,− − 4), gradient
2
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2
(b) (0, 5), gradient − (e) (0, 0), gradient − 3
(c) (1, − 3), gradient 3
2. Find the equation of the line using the given information:
(a) y-intercept = (0, 2), gradient = 1

(b) -intercepty = (0, 16), gradient− = 4
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3
(c) -intercepty = (0, 7), gradient =
4
(d) y (f) y

(0, 2), gradient=-1
(-4, 4)

x
0
x
0

(1, -3)

y
(e) (2, 6) (g) y
(-2, 2) (4, 2)

(0, 3) x
0
x
0

Mathematics Form One 3. In each of the following conditions, find the equation of the straight line in

the indicated form:

mx +
. c
(a) Passing through the point (3, 5) with gradient 2 in the form y =

(b) passing through the point (4, 7) having a gradient of 3,− in the form
0
+=
ax by c+

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Mathematics form 1.indd 146
Mathematics form 1.indd 146 25/09/2025 15:01:47