NAME:
GRADE :
BRAIN BUILDERSTUTOING SERVICES GRADE 9 MATHEMATICS TEST
TOTAL MARKS: 30 MARKS
QUESTION 1
For each of the statements below select the option that is true by writing the name that corresponds to
the correct answer in the space provided.
RETANGLE, TRAPEZIUM, KITE, RHOMBUS, ISOSCELES TRIANGLE
a) Shape has 2 pairs of parallel sides and corners of 90°.____________________ (1)
b) Shape has 1 pair of parallel sides.________________________ (1)
c) A three side shape has an two angles equal to each other__________________________(1)
d) Adjacent sides are equal _______________________________(1)
e) All four sides are equal and opposite angles are equal _______________________(1)
QUESTION 2
2.1.1.
(7 )
2.1.2
a) Determine the value of x with reasons (4 MARKS)
b) Detemine the size of N
(1 MARK)
2.1.3.
(4
MARKS)
QUESTION 3
3.1 Given the formula: 𝑦�=−2𝑥�+1
3.1.1. Use the given formula to complete the table for the given values of 𝑥�
X
Y
(2)
-1
-1/2
0
½
1
3.1.2 Sketch the graph y= -2x+1 in a cartesian plane (3 marks)
3.2. Points A (1 ; 1) and B (0 ; −4) are on the straight line graph given below. Use the graph and the given
points to answer the following questions.
3.2.1.Write down the y-intercept. (1)
3.2.2. Use the given points to calculate the gradient of the straight line graph (3)
3.2.3 Write down the equation of the graph in the form 𝑦�=𝑚�𝑥�+𝑐� (1)
4.2.4 Is the graph an increasing or a decreasing function? (1)