If using the method of completing the square to solve the quadratic equation x^2-13x+14=0, which number would have to be added t

Question

antiseptic1488 [7]

3 years ago

14

If using the method of completing the square to solve the quadratic equation x^2-13x+14=0, which number would have to be added t

o "complete the square"?

Mathematics

1 answer:

nevsk [136] · Answer 1 · 2022-11-07T14:04:22+03:00

nevsk [136]3 years ago

7 0

Answer:

169/4

Step-by-step explanation:

Take the coefficient of the x term. Here it's -13. Now halve that, obtaining -13/2. Finally, square this result. We get 169/4. This is the desired number.

x^2 - 13x + 169/4 - 169/4 + 14 = 0