Email us to get an instant 20% discount on highly effective K-12 Math & English kwizNET Programs!

#### Online Quiz (WorksheetABCD)

Questions Per Quiz = 2 4 6 8 10

### High School Mathematics2.6 Problems on Square Roots - I

 Example: Find the least number, that should 20480 be multiplied or divided so that it becomes perfect square. Solution: Take the prime factors of the given number. 20480 = 2 * 10240 = 2 * 2 * 5120 = 2 * 2 * 2 * 2560 = 2 * 2 * 2 * 2 * 1280 = 2 * 2 * 2 * 2 * 2 * 640 = 2 * 2 * 2 * 2 * 2 * 2 * 320 = 2 * 2 * 2 * 2 * 2 * 2 * 2 * 160 = 2 * 2 * 2 * 2 * 2 * 2 * 2 * 2 * 80 = 2 * 2 * 2 * 2 * 2 * 2 * 2 * 2 * 2 * 40 = 2 * 2 * 2 * 2 * 2 * 2 * 2 * 2 * 2 * 2 * 20 = 2 * 2 * 2 * 2 * 2 * 2 * 2 * 2 * 2 * 2 * 2 * 10 = 2 * 2 * 2 * 2 * 2 * 2 * 2 * 2 * 2 * 2 * 2 * 2 * 5 In the product there are 12 twos and only one 5, to make the product into group of equal factors one more 5 is required. So the number 20480 is to be multiplied or divided by 5 to make it a perfect square. Directions: Solve the following problems. Also write at least ten examples of your own.
 Q 1: With what least number should 4375 be multiplied or divided so that it becomes perfect square.9753 Q 2: With what least number should 1875 be multiplied or divided so that it becomes perfect square.7935 Q 3: With what least number should 2197 be multiplied or divided so that it becomes perfect square.11171913 Q 4: With what least number should 6480 be multiplied or divided so that it becomes perfect square.5638 Q 5: With what least number should 1792 be multiplied or divided so that it becomes perfect square.3795 Q 6: With what least number should 13122 be multiplied or divided so that it becomes perfect square.5372 Question 7: This question is available to subscribers only! Question 8: 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