1. COURSE : BA 101- ENGINEERING MATHEMATICS 1
ITEM:
LABWORK 1
INSTRUCTION: Answer ALL questions
QUESTIONS:
a) Simplify the following as lowest terms.
m 2m
i) 
2 5
x 2  y 2 2  10 x
ii) 
5x  1 x y
b) Express r in terms of p from the equations:-
3 r
i) r 
p 4
ii) r  p4  r   p
c) Solve each the following equation by using the formula and completing the square.
6
x 1 
x3
d) Solve the simultaneous equations by using the substitution method.
5x  6 y  7  0
10 x  2 y  4  0
e) Solve the simultaneous equations by using the elimination method.
2x + 3y = 8
3x + 2y = 7