## Cubic to quadratic function

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Jorja De Jesus 2C
Posts: 121
Joined: Sat Jul 20, 2019 12:15 am

### Cubic to quadratic function

How do you simplify a cubic function to a quadratic function?

Minh Ngo 4G
Posts: 137
Joined: Thu Jul 25, 2019 12:17 am

### Re: Cubic to quadratic function

We are not having any cubic equation on the test. If there is, you would use an approximation.

Joanne Lee 1J
Posts: 100
Joined: Thu Jul 25, 2019 12:15 am

### Re: Cubic to quadratic function

You can simplify a cubic equations if the K value is less than 10^-3 which might result in a quadratic equation or an easier equation to solve for x.

Joseph Saba
Posts: 154
Joined: Thu Jul 11, 2019 12:16 am

### Re: Cubic to quadratic function

If you find yourself with a cubic function you can probably approximate.

Manav Govil 1B
Posts: 104
Joined: Sat Sep 07, 2019 12:19 am

### Re: Cubic to quadratic function

If you are referring to problems with ka, then there will usually be a step where you can ignore the x, so that a cubic will not be needed to be solved. We cannot solve cubics without a graphic calculator.

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