SOLUTION: decide all values of b in the following equations that will give one or more real number solutions. a) 3x^2 + bx - 3 = 0 b) 5x^2 + bx + 1 = 0 c) -3x^2 + bx

SOLUTION: decide all values of b in the following equations that will give one or more real number solutions. a) 3x^2 + bx - 3 = 0 b) 5x^2 + bx + 1 = 0 c) -3x^2 + bx - 3 = 0 d) Write a

Question 74560: decide all values of b in the following equations that will give one or more real number solutions.
a) 3x^2 + bx - 3 = 0
b) 5x^2 + bx + 1 = 0
c) -3x^2 + bx - 3 = 0
d) Write a rule for judging if an equation has solutions by looking at it in standard form.

I do not understand how can find these solutions.
Please show work
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!

(a)
(b)
(c)
(d) In general

where
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