Q1 - Using more than one letter and powers .: Online homework:.
Work out the value of these expressions.
9(p - q) when p = 14 and q = 6
2ab + 6c when a = 3, b = 2 and c = 9
92 - tuv when t = 3, u = 7 and v = 4
r
st when r = 96, s = 3 and t = 4
a
28 - b when a = 72, and b = 8
2
3m When m = 3
2 2
54 - 3s + t when s = 3 and t = 6
Q2 - Using Negatives
Work out the value of these expressions.
pgr when p = -3, q = 4 and r = -5
-5(a - b) when a = 2 and b = -4
2
4s - st when s = -3 and t = -6
5c - de when c = 7, d = 5 and e = -4
2 2
p + 5q when p = -10 and q = -4
mn
4p when m = -12, n = 18 and p = -1
2
b 2
2
ad When a = -3, b = 4, c = -9 and d = -4
Can you please help me I have no clue how to do these at all.
