year 8 maths

596
Semester review 2
c Show whether each point below is a solution or not a solution of the linear equation
y = 5 − 2x .
i (1, 3) ii (3, 1) iii (5, −5)
d State the point of intersection and show it is a solution to both linear equations y = 5 − 2x
and y = 1 − x .
Chapter 8: Transformations and congruence
Multiple-choice questions
1 The number of lines of symmetry in a square is:
A 0 B 2 C 4 D 6 E 8
2 The side AC corresponds to:
A XZ
B XY
C ZY
D BC
E AX
B
A
C
Z
X
Y
3 A congruency statement for these triangles is:
A △ ABC ≡ △CED B △ ABC ≡ △CDE
C △ ABC ≡ △ECD D △ ABC ≡ △DCA
E △ ABC ≡ △EDC
A
C
D
B
E
4 Which test is used to show triangle ABC is congruent to triangle
ADC ?
A SSS B SAS C AAS
D RHS
E ASA
A
B
D
C
5 Which of the following codes is not enough to prove congruency for triangles?
A SSS B AAS C AAA D SAS E ASA
Short-answer questions
1 How many lines of symmetry does each of these shapes have?
a scalene triangle b rhombus c rectangle d semicircle
2 Write the vectors that translate each point P to its image P′.
a P(1, 1) to P′(3, 3) b P(−1, 4) to P′(−2, 2)
Cambridge Maths NSW
Stage 4 Year 8 Second edition
ISBN 978-1-108-46627-1 © Palmer et al. 2018
Cambridge University Press
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