Additional Mathematics Module 3 - Quadratic Equations Worksheets With Answer Key Page 16
ADVERTISEMENT
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33ANSWERS
Exercises 1
1. No
2. Yes
3. Yes
4. Yes
5. No
6. Yes
Exercises 2
2
1. 6x
– 5 = 0
a= 6, b = 0, c = -5
2
2. 2x
+ 5x – 7 = 0
a = 2 , b = 5 , c = -7
2
3. x
+ 4x – 3 = 0
a = 1, b = 4 , c = - 3
2
4. x
+ x – 5 = 0
a = 1, b = 1, c = -5
2
5. x
+ 7x – 20 = 0
a = 1, b = 7, c = -20
2
6. x
+ (p – 2)x + 6 = 0
a= 1, b=(p – 2), c= 6
2
7. px
+ (1 – 2p)x – 4m = 0 a = p , b = (1 – 2p) , c = -4m
2
8. 2x
+ (7 - k) x + k – 7 = 0 a = 2, b = (7 - k), c = (k – 7)
2
9. 9x
- 7x + 20 = 0
a = 9, b = -7 c = 20
2
10. 6x
+ x = 0
a = 6, b = 1, c = 0
Exercises 3
1. 1, -4
2. 5, -3
1
3
1
3.
, -
4.
, 2
2
2
3
3
5. 1, 2
6. 4,
2
7
3
1
7.
,
7.
, - 3
2
4
2
1
7
9.
, 1
10. 1,
4
3
Exercises 4
1. 1, -7
2. 1.77, - 0.17
3. 2, 6
4. 0.457 , - 1.437
5. 0.161, 1.239
6. 2.351 , - 0.851
7. 5.60, -1.60
8. 1.823, -0.823
15
ADVERTISEMENT
0 votes
Related Articles
Related forms
Related Categories
Parent category: Education