Question

7 x square Y + 8 x y + 4 Y - 3 x + 5. how many variables are used.​

Answer 1

Answer:

2

Step-by-step explanation:

two variables are used in the above equations (X,Y)

Answer 2

Answer:

7x²y+ 8xy+ 4y- 3x+5

7× X×X×Y+8×X×Y+4×Y- 3×X+5

Variables are the numbers whose quantity is not known.

The variables are:

X,x,y,x,y,x,x

Number of variables= 7

But only two variables, x and y are repeatedly used.

Hope it helps you.

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