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Flashcards in Quadratic expressions Deck (6)
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1

A quadratic expressed is defined

ax2 + bx + c

what is the higher power of x

 

The term is quadratic as long as the highest power of x is 2

2

If a = 0 in the expression

ax2 + bx + c

is this still a quadratic equation?

 

No, if a = 0

it becomes a linear equation

3

Is the following expression quadratic?

5 + x + 3x2

Yes, it's ok to express it the other way round.

What is important is that the highest power of x is 2

4

Is the following expression quadratic?

2x+ x2 + x +1

No, the highest power of x is 3 here.

5

Is the following expression quadratic?

2x+ x

Yes, it does not require to have a x value.

6

Is the following expression quadratic?

2x- 1

Yes, it does not require to have a constant value