(RPL) Assessment Tool Kit - WestOne

)
(-9, 7)
i. distance = 25.29
ii. midpoint = (3,3)
iii. x + 3y = 12
c) i. x – 3y = 15
ii. x + 8y = –45
iii. y = 3
d)
iv. 2y – 3x + 9 = 0
Y
7
6
5
4
3
2
1
-2
MEM50205 Diploma of Engineering – Technical (Mechanical)
Section 4 – Practical Tasks and Observation Recording Sheets
-15 -10 -5
0
-1 0 5 10 15(15, -1) X
5
4
3
2
1
-2
Y
(0, 5)
(0.5, 0)
(2, 3)
(2.5, 4)
(5, 0)
0
0 1
-1 (0, -1) 2 3 4 5
i. (0, 5) and (5, 0) are the solution points for y = -x + 5.
(0, -1) and (½, 0) are the solution points for y = 2x – 1.
Simultaneous solution is the point (2, 3).
X
y = -x + 5
y = 2x - 1
Page 95 of 206 © Department of Education and Training 2009
Version 1, July 2009