Page 125 - Mathematics

(b) ( 2,1), (2,5), (2, 2)− −

(c) (1, 2), (3, 4), (5, 2), (4, 0), (2, 0)
(d) (1, 2), (3, 4), (5, 2), (4, 0), (2, 0)

(e) (1.5, – 3), (6, 3), (–1.5, 3), (–6, – 3) Tanzania Institute of Education

4. In which quadrant does each of the following points lie?
(a) P( 4, 10)− − (c) R(16, 12)−

(b) T( 16, 8)− (d) S(4, 2)
5. Locate the following points on the xy-plane:

A (1, 2), B( 2, 4), C(0,0),− D (3, 4),− E ( 3, 2),−− F ( 5, 0),−

G(4, 0), H(0, 5), I(0, 4)−

(a) Join the points A and B, B and E, A and E by line segments.
(b) Use a protractor to measure angle BAE and check your answer with
any suitable graphing mathematical software of your choice.

6. Plot each of the following points on the xy-plane and join them with
straight line in the order given and state the name of the shape obtained.
Use a graphing mathematical software to cross-check your answer.

( 1, 0),− ( 2, 2),− (0, 1), (2, 2), (1, 0), (2, 2),− (0, 1),− ( 2, 2).− −

7. Plot each of the following points in the xy-plane, join the points and
name the figures obtained.
(a) P( 0, –2), Q( 3, 2), R( –3, 4)−−
(b) A( 1, 2), B( 3, 2), C( –3, 1) D(1, 1),− − −
(c) A( 3, 4), B(0, 4), C( – 2, 1) D(4,1),

8. Plot each of the following points on the xy-plane and join the points with
line segments to form a polygon. Use a suitable mathematical software
to cross-check your answer.
(a) A( − 2, 3), B(1, 0), C(3, 2)
(b) A( 1,1), B(1,4), C(4,5), D (5,2)

9. Plot the following points on the xy-plane and determine a missing
coordinate of a point to complete a polygon stated in brackets. Mathematics Form One
(a) A( 1, 1), B(2,3), C(4,2) (square)
(b) A( 4,4), B(9,4), D(2,1) (parallelogram)

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25/10/2024 09:51:45
Mathematics form 1.indd 119 25/10/2024 09:51:45
Mathematics form 1.indd 119