akamia2233 akamia2233
  • 24-05-2020
  • Mathematics
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How do you know an equation is a quadratic?

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billgkgk
billgkgk billgkgk
  • 24-05-2020

Answer: it will have three terms. It will be in the form ax^2 + bx + c

The "a" could be any number, but if it is "1", it will be left out.

The "+" sign is often a minus sign.

^2 means "squared" and is usually shown as an exponent, but my keyboard don't have that capability now.

Examples

x^2 + 5x +4

5x^2 +13x -6

2x^2 -11x + 15

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