What is the difference between y=x+3 and y=x^2+3?I am unsure how to go about answering this question as I don't know what it is asking. It is a subtraction (a literal difference) question or is it...

What is the difference between y=x+3 and y=x^2+3?

I am unsure how to go about answering this question as I don't know what it is asking. It is a subtraction (a literal difference) question or is it asking about the meanings of the two equations. Professional opinions?

Asked on by catd1115

3 Answers | Add Yours

justaguide's profile pic

justaguide | College Teacher | (Level 2) Distinguished Educator

Posted on

What is the difference between y = x + 3 and y = x^2 + 3?

The answer to this question would depend on where the question was found. If it was in a section of a math text book dealing with the difference between polynomials the result would be x^2 + 3 - x - 3 = x^2 - x.

Else, if it was in a section about the degree of polynomials, the number of roots they can have, etc., there are many different answers possible.

It is quite difficult to give an opinion about what the question actually means without some background information.

acompanioninthetardis's profile pic

acompanioninthetardis | Student, Undergraduate | (Level 1) Valedictorian

Posted on

I think they may be referring to the difference in graphs maybe? Like  one x is a linear grqph whereas a squared x is a graph that looks like a u called a parabola 

acompanioninthetardis's profile pic

acompanioninthetardis | Student, Undergraduate | (Level 1) Valedictorian

Posted on

I think they may be referring to the difference in graphs maybe? Like  one x is a linear grqph whereas a squared x is a graph thwt looks like a u called a parabola 

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