3 years ago

Select all of the following that are quadratic equations.

2 answers:

5 0

We know, Form of Quadratic Equation is: ax² + bx + c = 0

So,Quadratic Equations would be:
[ After Simplification ] :

A.) x² - 6x - 1 = 0

D.) 2x² + 12x + 0 = 0

F.) 9x² + 6x - 3 = 0

Hope this helps!

taurus [48]3 years ago

4 0

A,d,f!!!!!!++!!!+!!!!!!

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SOLVE FOR X ANSWER IN FRACTION FORM I DONT NEED TO SHOW WORK

ExtremeBDS [4]

Answer:

$x=\frac{27}{2}\:\text{or}\:13.5$

Step-by-step explanation:

Both triangles are shown are similar. Therefore, the ratio of their sides will be maintained. We can then set up the following proportion:

$\frac{2}{11}=\frac{3}{3+x},\\2(3+x)=33,\\(3+x)=16.5,\\x=\boxed{13.5\text{ or }\frac{27}{2}}$

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2 years ago

I need help! Please! 30 points!

Arada [10]

I'm sorry and I feel that your probably going to get mad, but we can't answer this question without knowing what those drag-and-drop options are! I hope that you can quickly re-post this, and then I will be able to help you! Sorry!

Miri