-2(x - 10)2 + 21 = -143
That is the quadratic equation.
Is 19.1 and 0.9 correct?
I wa...
![Mathematics](/tpl/images/cats/mat.png)
Mathematics, 27.03.2021 02:20, rosetoheart2
-2(x - 10)2 + 21 = -143
That is the quadratic equation.
Is 19.1 and 0.9 correct?
I want to double check!
![answer](/tpl/images/cats/otvet.png)
Answers: 2
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