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# Help!!

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The roots of the quadratic $$x^2+8x+4$$ are the same as the roots of the quadratic $$Ax^2+Bx+1$$. What is $$A+B$$?

Apr 6, 2020

#1
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A + B = 1/2 + 4 = 9/2.

Apr 6, 2020
#3
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How did you get this answer

Guest Apr 6, 2020
#2
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There are an infinite number of solutions to this question.

Apr 6, 2020
#4
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Oh really? Please explain how you got this

Guest Apr 6, 2020
#5
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The roots of the quadratic  $$x^2+8x+4$$  are the same as the roots of the quadratic $$Ax^2+Bx+1$$

What is $$A+B$$?

$$x^2+8x+4=4(0.25x^2+2x+1)\\ so\\ 0.25x^2+2x+1 \qquad \text{has the same roots}\\ A+B=2.25$$

It should also be noted that 3 points defines a parabola so this is the only answer.

Apr 7, 2020
edited by Melody  Apr 8, 2020
#6
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Thank you so much!!!

Guest Apr 7, 2020