Question

The expression 4xy + 7 is in 

(a) one variable

(b) two variables

(c) no variable

(d) none of these.

​

Answer 1

Answer:

b

Step-by-step explanation:

it's in two variables, the variables are x and y

Answer 2

The expression 4xy + 7 is in two variables

Given :

The expression 4xy + 7

To find :

The expression 4xy + 7 is in 

(a) one variable

(b) two variables

(c) no variable

(d) none of these.

Solution :

Step 1 of 2 :

Write down the given expression

The given expression is 4xy + 7

Step 2 of 2 :

Find the number of variables

In the expression 4xy + 7 the variables are x , y

4 is coefficient of xy

7 is constant term

So the expression 4xy + 7 is in two variables

Hence the correct option is (b) two variables

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