Question

In the expression 2x + y - 4, the coefficient of y is...

Answer 1

1

Explanation:

there is an "understood" 1 as the coefficient of any blank variable

but it is useless to write since anything times 1 is just the same number ..... (i.e: y *1= y...same as 5 * 1= 5)

Answer 2

1

Explanation:

If a term does not have a written coefficient, then the coefficient is one.

This is because 1(y) = y