KJ4UTS
  • KJ4UTS
Solve
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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chestercat
  • chestercat
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KJ4UTS
  • KJ4UTS
1 Attachment
KJ4UTS
  • KJ4UTS
I think the answer is the one I have marked but I am not sure?
Timinthor
  • Timinthor
yes, you are correct:)

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More answers

anonymous
  • anonymous
I might be wrong here, but the last one should be the answer. Just going by the quadratic formula, the denominator should contain 2(a) and a=2 in this scenario, so the denominator would be 4
Timinthor
  • Timinthor
please medal if correct, thanks
KJ4UTS
  • KJ4UTS
could you explain why i am not sue how to get this?
anonymous
  • anonymous
Do you know the quadratic formula?
KJ4UTS
  • KJ4UTS
yes
anonymous
  • anonymous
Okay, so the first step here is to add the 3 to the other side
anonymous
  • anonymous
Then you've got your polynomial. You'll need to plug the polynomial's numbers into the quadratic formula. Let me know what you get when you do that.Don't solve it just yet, only show what you did when you plugged them in
KJ4UTS
  • KJ4UTS
-6+-√-6^2-4(2)(3) / 2(2) ?
anonymous
  • anonymous
Very close. You just accidentally switched the sign for your 6^2
anonymous
  • anonymous
the b^2 is positive(unless b in the polynomial is negative)
KJ4UTS
  • KJ4UTS
I see
anonymous
  • anonymous
So, now you've got the equation. What's next?
KJ4UTS
  • KJ4UTS
plug it in and solve? 2(2) would be 4 i guess like you said
anonymous
  • anonymous
It would be. That's the shortcut to your answer for this question in particular. Do you want to solve the rest just for your own sake or do you have it?
KJ4UTS
  • KJ4UTS
oh so it would be the last one? i was getting √3 - 3/2 for some reason
anonymous
  • anonymous
Did you maybe forget that the bottom was 2a? Only reason I remember that is because my Algebra 1 teacher a few years ago told us a story for the formula
KJ4UTS
  • KJ4UTS
ok would you mind checking this one for me
KJ4UTS
  • KJ4UTS
I got the last one but I am not sure if its right either
anonymous
  • anonymous
Those are the ones I was never sure of haha. You might be able to use an online calculator and see if it actually passes through when you plug in each equation. I'm not positive on it
KJ4UTS
  • KJ4UTS
ok thank you :)
KJ4UTS
  • KJ4UTS
I figured it out just plug in x which is 4 and you get -1 so my equation works :)

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