kwizNET Subscribers, please login to turn off the Ads!
Email us to get an instant 20% discount on highly effective K-12 Math & English kwizNET Programs!

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.
8
6
9
3

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

Q 3: 2x+9x+5x+2, find the value of given expression when x=1.
-18
19
-19
18

Q 4: 9x3-6x2+8x+9, find the value of given expression when x=2.
46
40
41
43

Q 5: 6x3-6x2+7x-8, find the value of given expression when x=2.
20
15
30
25

Q 6: 8x3-4x2-8x-9, find the value of given expression when x=1.
-15
-13
15
13

Q 7: 2x3-9x2+2x-1, find the value of given expression when x=3.
-23
-22
23
22

Q 8: 2x3-3x2-3x+12, find the value of given expression when x=4.
80
86
78
82

Question 9: This question is available to subscribers only!

Question 10: This question is available to subscribers only!


Subscription to kwizNET Learning System offers the following benefits:

  • Unrestricted access to grade appropriate lessons, quizzes, & printable worksheets
  • Instant scoring of online quizzes
  • Progress tracking and award certificates to keep your student motivated
  • Unlimited practice with auto-generated 'WIZ MATH' quizzes
  • Child-friendly website with no advertisements
  • Choice of Math, English, Science, & Social Studies Curriculums
  • Excellent value for K-12 and ACT, SAT, & TOEFL Test Preparation
  • Get discount offers by sending an email to discounts@kwiznet.com

Quiz Timer