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Online Quiz (Worksheet A B C D)

Questions Per Quiz = 2 4 6 8 10

Grade 7 - Mathematics
4.28 Simplification - I

Example:
8x3+7x2-9x+2, find the value of given expression when x=1.

Solution:
8(1)3+7(1)2-9(1)+2.
= 8.1+7.1-9+2
= 8+7-9+2
= 8.


Directions: Substitute the x value and find the value of expression. Also write atleast ten examples of your own.
Q 1: 9x3+9x2+9x+9, find the value of given expression when x=0.
9
3
6
8

Q 2: 2x3-9x2+2x-1, find the value of given expression when x=3.
23
-22
-23
22

Q 3: 6x3-6x2+7x-8, find the value of given expression when x=2.
30
25
15
20

Q 4: 5x3+6x2-9x+2, find the value of given expression when x=3.
166
164
162
160

Q 5: 8x3-4x2-8x-9, find the value of given expression when x=1.
13
-15
15
-13

Q 6: 2x3+8x2-9x-20, find the value of given expression when x=3.
75
78
79
76

Q 7: 9x3-6x2+8x+9, find the value of given expression when x=2.
41
43
40
46

Q 8: 2x+9x+5x+2, find the value of given expression when x=1.
18
19
-18
-19

Question 9: This question is available to subscribers only!

Question 10: This question is available to subscribers only!


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