Question

Vorksheet 7
1.
2.
If a = 2, b = 3 find the value of the following algebraic expressions.
(a) 3a + 2b
(b) 2a - b
If x = - 1, y = 2, z = - 3, find the value of-
(a) x + y + z
(b) 2x - 3y + 6z
If p = -3, q = 0, r = 2, find the value of-
(a) p + q + r + 1
(b) 2pq + 3 qr - 4pr
3.
2.
4. If z= -9, find the value of
Z + 6
3
If a = 1, b = -2, C = - 1, show that 7a + b + c = 2abc
QUESTIONS​

Answer 1

Answer:

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