WESTERN CAPE SPORT SCHOOL
PHYSICAL SCIENCES
SEPTEMBER 2023
GRADE 9
Mathematics
EDUCATOR: H. Lyners, M. Avontuur & A. Williams
MODERATOR: M. Avonttur
This question paper consists of 17 pages.
MARKS: 50
TIME: 1 hour
Mathematics
2
September 2023
INSTRUCTIONS AND INFORMATION
1.
This question paper consists of 4 questions.
2.
Answer ALL the questions.
3.
A non-programmable calculator may be used unless otherwise stated.
4.
Show all calculations, diagrams, and graphs that you have used in determining your
answers. Answers only will not necessarily be awarded full marks.
5.
If necessary, round off your answers to 2 decimal places, unless otherwise stated.
6.
Diagrams are not necessarily drawn to scale.
7.
Answer the questions in the spaces provided on this question paper.
8.
Write neatly and legibly.
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September 2023
QUESTION 1
1.1
Complete the flow diagram with x integer values from -2 to 2.
8x - 3
(5)
1.2
Identify the values representing the gradient and the y-intercept from the equation
3
𝑦 = − 2 𝑥 − 5.
1.3.
Gradient:
________________________________________________
(2)
y-intercept:
________________________________________________
(2)
Given: 𝑦 = 2𝑥 − 4
1.3.1 Calculate the x-intercept.
____________________________________________________________
____________________________________________________________
____________________________________________________________
____________________________________________________________
(2)
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September 2023
1.3.2 Sketch the graph of 𝑦 = 2𝑥 − 4 on the set of axes provided below.
(3)
1.4
Three points 𝐴(−4; 1); 𝐵(0; 3) and 𝐶(8; 7) are points on a straight line graph.
Use the points to determine the equation of the line.
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_________________________________________________________________
_________________________________________________________________
_________________________________________________________________
_________________________________________________________________ (4)
[18]
Mathematics
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September 2023