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This is not a quadratic but a linear equation since a quadratic equation has the form:

where a is never equal to 0.

While a linear equation has the form:

This is simply the form when a is 0.

In the given equation we only have x and not x^2 so it is not quadratic.

where a is never equal to 0.

While a linear equation has the form:

This is simply the form when a is 0.

In the given equation we only have x and not x^2 so it is not quadratic.

### This Is a Certified Answer

Certified answers contain reliable, trustworthy information vouched for by a hand-picked team of experts. Brainly has millions of high quality answers, all of them carefully moderated by our most trusted community members, but certified answers are the finest of the finest.

6x+4=13

Just by observing it, it is not quadratic because the variable x should have a power of 2 instead of the power of 1. Second, if you try to solve it, it has only one root, but in quadratic it says it must have 2 roots.

Hope this helps =)

Just by observing it, it is not quadratic because the variable x should have a power of 2 instead of the power of 1. Second, if you try to solve it, it has only one root, but in quadratic it says it must have 2 roots.

Hope this helps =)