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Q: Is x squared plus 3x -y 8 a linear equation?

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No. Y=3X2+1 is a Binomial Equation.

No it is a linear one. X^2 = quadratic, x = linear. So if the equation doesn't have an x squared, then it is not quadratic.

It is a quadratic equation.

yes it is!

A consistent system.

It is a quadratic equation in the variable x.

It is a linear equation in a single variable, x.

yes it is one

5x2 + 3x + 8x2 = 13x2 + 3x = x(13x + 3)

The given expression can be simplified to: 3X squared +27

It is a linear equation in one variable, x.

It is a linear equation in the two variables, x and y.

3x plus 2y - 3 is an expression. There can be no answer to one expression and one linear equation in two variables.

X=-3

The value of x works out as -3

3x squared

y=2 + 3x seems like a linear equation, therefore, y=3x + 2.The gradient is 3.

There can be no "answer" to just one linear equation in two variables.

(3x - y+ 2)(3x + y + 2)

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Yes because the exponents (powers) of the variables are 1.

No because it's an algebraic expression that contains 3 terms.

x^2 + 3x + 2/(-3x) - x^2 - 2=3x-2+2/(-3x)=3x-2-2/(3x)

(3x + 3y)(x + y) = 3(x + y)2

3x squared - (3x) squared = 0