Page 59 - 091math-wb-w6-(equations&inequalities-1)

Workbook

EXERCISES 7

6 2n 1  3.6 2n
1) Evaluate .
4.6 2n 1  6 2n

-x
x
-3x
2) If 2 = m and 3 = n, express 72 in terms of m and n.

4 4 x 1
3) Solve   8 if a ≠ b.
1 3 a b 1 3 b a

3  8 3  8 3  8 3 8
4) Simplify .
3  3 4
4

a b
b
a
5) If 5 = 4 and 5 = 2, find the value of .
a b

x-2
x-2
6) Solve for x if (3x + 4) = (x + 4) .

59 091math-wb-w6-(equations&inequalities-1)