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REVIEW PACK GRADE 9 MATHS Marking Scheme.[r]
(1)(2)FUNCTIONS AND THEIR GRAPHS
I
gradient y-intercept
a (0, 7)
b -4 (0, -3)
c -3 (0, 9)
d (0, 5)
e (0, 4)
f -2 (0, 4)
g -5/11 (0, -4/11) h 1/2 (0, -6) II
Equation
a y = (-8/3)x + b y = (9/2)x - c y = (-2/5)x + III
1
9
2 x -2 -1
y 0 -2 -4 -6 -8
3 Line A and Line B have the same slope, that is why they are parallel
(3)SIMILARITY AND CONGRUENCY
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Crack the Safe
Code # 916
Code # 402
Code # 012
Code # 014
Code # Code # II
a Length of AB is7.5cm
b. Area of the Shaded Region is45cm2
ANGLES
I
measure measure
1 - a 45° - i 74° - o 135°
b 135° j 74° p 69°
c 135° k 68° q 45°
d 135° l 112° r 69°
2 - e 29° m 68° s 111°
f 29° n 106° t 135°