Question

M. Evaluate the following.
a) (2x + y) = 4 for x = 6 and y = 4.
c) - 3abc - 3 for a = 1, b = 2 and c = 3
2. If x = 6, find the value of:
24
a) 6x2 – 12x + 40
b)
b) 8x2 + 5xy - y for x = 3 and y = 2
d) 9x2 + 3x + 2 + 4 for x = 5
6x? – 12x + 12
c)
х
- 10
X
If a = 3, b= -5 and c = 3, find the value of
a) a2 - bc
b) a2 + bc + c
d) ab + bc + ca
e) 3ab + 2bc - 3 ca
c) a2 + b2 + c2 + 2(ab + bc + ca)
f) a + b3 - 3abc​

Answer 1

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