Example 1 Identify, in the following expressions, terms which are not constants. Give their numerical coefficients: xy + 4, 13 – y2, 13 – y + 5y2, 4p2q – 3pq2 + 5
Expression Terms (which are not constant) Coefficient
xy + 4 xy 1
13 – y2 −y2 −1
13 – y + 5y2 −y5y2 −1 5
4p2q − 3pq2 + 5 4p2q–3pq2 4 −3

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Davneet Singh

Davneet Singh is a graduate from Indian Institute of Technology, Kanpur. He has been teaching from the past 12 years. He provides courses for Maths and Science at Teachoo.