Posted by bob on Wednesday, January 5, 2011 at 12:09pm.
b^2 = 0
4ac = 4(1)(9) = 36
b^24ac = 36
note
sqrt (36) is 6
Small correction Damon:
the formula is
(b + sqrt(b^2  4ac)) / 2a

Ans : + sqrt(36) / 2

ie + 6/2 and 6/3
Ans : + 3 and 3
Easier way: Method II
X^2 9 = 0
X^2 = 9
X = Sqrt(9)
X = 3 or 3
Done!
Answer this Question
Related Questions
Trigonometry  Help trig question involving discriminant? a)Find the value of ...
Calculus/pretrig  Write the formula for the discriminant. State the types of ...
algebra  What would be the discriminant for this equation: x^22x+12=0 How many...
JAD  For the following equation, state the value of the discriminant and then ...
trig  use the discriminant to solve for the smallest value of b that would make...
Algebra Problem  State the value of the discriminant and the number of real ...
math  Can someone calculate the value of the discriminant of X^2+2x+1=0 I don't...
Algebra  Find the discriminant and solutions for the following equations. #1) ...
Algebra ...Please check this to see if I am corect  For the following equation...
Math  For the following equation, state the value of the discriminant and then ...