labwork 1 : basic algebra

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

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-simplify expression -conversions of formulas -quadratic equations -simultaneous equations

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Page 1: LABWORK 1 : Basic Algebra

COURSE : BA 101- ENGINEERING MATHEMATICS 1

ITEM:

LABWORK 1

INSTRUCTION: Answer ALL questions

QUESTIONS: a) Simplify the following as lowest terms.

i) 5

2

2

mm

ii) yx

x

x

yx

102

15

22

b) Express r in terms of p from the equations:-

i) 4

3 rr

p

ii) prpr 4

c) Solve each the following equation by using the formula and completing the square.

3

61

xx

d) Solve the simultaneous equations by using the substitution method.

0765 yx

04210 yx

e) Solve the simultaneous equations by using the elimination method.

2x + 3y = 8

3x + 2y = 7