Question

Answer the following questions.
① The numerical coefficient of 7 x y is ________________ . (1)
② An expression having only two terms is called a ______________ . (1)
③ The product of a-b and a + b is ________________. (1)
④ 7 x y -5 x has terms_____

Answer 1

Answer:

1 = numerical coefficient=7

2= binomial expression

3= a²-b²

Step-by-step explanation:

please marks as specialist