Sienna is solving the quadratic equation by completing the square. 3x2 9x – 4 = 0 3x2 9x = 4 a(x2 3x) = 4 what is the value of a? –4 –3 3 4

asked Mar 14, 2017 57.7k views

5 votes

Sienna is solving the quadratic equation by completing the square.

3x2 9x – 4 = 0

3x2 9x = 4

a(x2 3x) = 4

what is the value of a?

–4
–3
3
4

7.5k points

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3 votes

3x^2 + 9x - 4
3x^2 + 9x = 4
3(x^2 + 3x) = 4

Therefore, a = 3

Arman Ozak answered Mar 20, 2017

8.0k points

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