Additional Mathematics Module 3 - Quadratic Equations Worksheets With Answer Key Page 23
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332.2.2
Determine the sum of the roots and product of the roots of the following
quadratic equations.
Exercises 2
The puadratic equation
Sum of
Product of
.the roots
.the roots
Example 1
2
.x
– 6x + 9 = 0
6
9
Example 1
2
.9x
+ 36x - 27 = 0
2
9
x
36x
27
+
-
= 0
-(4) = -4
-3
9
9
9
2
.x
+ 4x – 3 = 0
2
a)
.x
+ 73x - 61 = 0
2
b)
7x
- 14x - 35 = 0
c)
2x(x + 3) = 4x + 7
2
1
d)
2x +
=
x
4
e)
2
4x
+ kx + k – 1 = 0
22
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