Home Order Products Login Online Courses Search Contact Us
Update Profile
Sign Up
Current Curriculum
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

High School Mathematics
2.71 Problems on Radicals Using Formulas - III

Example:
Expand (Ö3 + Ö2)(Ö3 - Ö2).
Solution:
The above problem in the form of (a + b)(a - b) = a2 - b2.
Here a = Ö3 and b =Ö2.
Substitute these values in the above formula we get,
(Ö3 + Ö2)(Ö3 - Ö2) = (Ö3)2 - (Ö2)2.
= 3 - 2
= 1
Directions: Solve the following problems. Also write at least ten examples of your own.
Q 1: Expand (Ö13 + Ö5) (Ö13 - Ö5).
6
8
-8
-6

 Q 2: Expand (Ö19 + Ö3) (Ö19 - Ö3).
18
None of these
14
16

Q 3: Expand (Ö11 + 3) (Ö11 - 3).
8
6
7
5

 Q 4: Expand (Ö17 + Ö7) (Ö17 - Ö7).
8
14
16
10

Q 5: Expand (Ö10 + 2) (Ö10 - 2).
8
10
12
6

 Q 6: Expand (Ö11 + Ö7) (Ö11 - Ö7).
-4
-2
4
2

Q 7: Expand (Ö10 + Ö5) (Ö10 - Ö5).
5
7
9
11

 Q 8: Expand (Ö17 + Ö2) (Ö17 - Ö2).
15
17
-15
-17

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

Educational Links Privacy Policy Terms of Service Contact Us