Is x2y the same as xy2?

Be careful when combining! Terms like x2yz and xy2z look a lot alike, but they aren’t and cannot be combined.

What is the factor of x 2 y 2?

Answer: x2 − y2 can be factorised as ( x − y ) ( x + y )

How do you find x 2 y 2?

What is the formula of x2+y2?

1. Answer: (x2 + y2) = (x + y)2 – 2xy or (x – y)2 + 2xy.
2. x2 + y2 = (x + y)2 – 2xy.
3. x2 + y2 = (x – y)2 + 2xy.

What does XY 2 mean in math?

The three things addressed in the question are brackets, exponents, and multiplication, and they should be dealt with in that order. Therefore, xy^2 means calculate y^2 first then multiply it by x. However, (xy)^2 means multiply x by y and then square that result. Example, picking two lowish random numbers: x=3 and y=5.

Is xy equal to YX?

Let x and y be two processes or operations and xy is the outcome of their consecutive application: first x, then y. x is putting a sock on the left foot and y is putting a sock on the right foot; very obviously, the order of operation does not matter, xy = yx.

Is xy same as YX?

The expression xy can be used in a variety of situation for different kinds of mathematical objects (not only to numbers!) and operations on them, and in many (if not in most) situations xy is not equal yx.

Can you factor x 2 x 2?

in Civil Engineering. Maths keeps one mentally active. x^2-x-2 = (x-2)(x+1). So the factors are (x-2) and (x+1) and the values of x are 2 and -1.

Can you simplify x 2 y 2?

There’s no way to factor x2+y2 to get a perfect square. The only real way to simplify this expression is by using math that’s at a higher than algebra level, so for all intents and purposes, √x2+y2 is about as simple as you can get.

Is the equation y 2 x 2 a function?

No it is not a function because there are two outputs for every non zero input.

Why is xy 2 not a function?

It is not, because the definition of a function includes the requirement that no x will have more than one corresponding y. The parabola you named has its vertex at (0,0) and opens to the right, so every x value > 0 will have two corresponding y values, one positive and one negative.

How do you read XY 2?

4 Answers. “The quantity x minus y, all squared.”