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# Q.6 (a) Form expressions using t and 4. Use not more than one number operation. Every expression must have t in it. (b) Form expressions using y, 2 and 7. Every expression must have y in it. Use only two number operations. These should be different.

(a) (t + 4), (t – 4), 4t, $$\frac{t}{4}$$ , $$\frac{4}{t}$$, (4 – t), (4 + t)
(b) 2y + 7, 2y – 7, 7y + 2 , 7y - 2 , $$\frac{7y}{2}$$ , $$\frac{2y}{7}$$ , $$\frac{2}{7y}$$ , $$\frac{7}{2y}$$