Suppose a, b, and c are fixed real numbers such that

b^2 - 4ac ≥ 0. Let r and s be the solutions of

ax^2 + bx + x = 0.

(a) Use the quadratic formula to show that r + s = -b/a and

rs = c/a.

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- Dec 7th 2009, 07:18 AMsologuitarFixed Real Numbers...Part 1
Suppose a, b, and c are fixed real numbers such that

b^2 - 4ac ≥ 0. Let r and s be the solutions of

ax^2 + bx + x = 0.

(a) Use the quadratic formula to show that r + s = -b/a and

rs = c/a.

- Dec 7th 2009, 08:37 AMBabyMilo
- Dec 7th 2009, 08:40 AMAmer
- Dec 8th 2009, 02:57 AMHallsofIvy
Oh, this was a! I did the problems in the wrong order!

- Dec 8th 2009, 07:54 AMsologuitarok...
- Dec 8th 2009, 07:57 AMsologuitarthanks...