THE COPPERBELT UNIVERSITY
In Association with
Technical and Vocational Teachers’ College
Department of Applied Sciences
BSc. ED Mathematics and Science (Year 1)
Introduction to Mathematics (MAT 120)
TEST 1
DURATION: 60 MINUTES
TOTAL: 30 MARKS
QUESTION 1
Solve the following and demonstrate the answers on the number line
a) 2x + 14 < 5x – 8
b) 4x – 12 6 – 2x
[6 Marks]
QUESTION 2
Solve the system of equations
=3
+ y= 3
[6 Marks]
QUESTION 3
Solve the system of equations
2x + y + z = 11
5y + 3x + 5z = 34
3z + 6y +5x = 1
[10 Marks]
QUESTION 4
Solve the polynomial
2x3 – 4x + 6 = 0
[8 Marks]