Notes
-b formula
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Page 1
-b formula
ax + bx + c = 0
2
to find the value of x
e.g; 3x + 11x + 6 = 0
2
-b - \
+
I
__________
___________________
X =
b - 4ac
2
2a
X =
-11 -
___________________
+
\
I
__________
(11)
2
-
4(3)(6)
2(3)
1).
2).
3).
121-72
X =
-11 - \
+
________
I
_____________
6
-11 - \ 49
_____
I
____________
+
X =
6
4).
X=
-11 - 7
__________
6
+
X= -3
X= -0.6
.
-b
Information
- Description
- junior cert Maths Note on -b formula, created by johannab311 on 01/10/2013.
- Created by
- johannab311 · Oct 2013
- Updated
- May 17, 2016
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