1. Evaluate the expression 7x – 5y when x = –2 and y = 6. A. – 44 B. 44 C. 34 D.24
2. If a = 6 and b = 7, then (b – 2)2 + a2 is ___________.
A. 22 B. 37 C. 44 D. 61
3. Use x = 6, y = 8 and z = 1
2
to evaluate z(x + y).
A. 6 B. 7 C. 14 D. 28
4. Evaluate the expression y – (z + z2) when y = 26 and z = – 2.
A. – 44 B. 44 C. 34 D. 24
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