Written Instructions:
For each Multiple Choice Question (MCQ), four options are given. One of them is the correct answer. Make your choice (1,2,3 or 4). Write your answers in the brackets provided..
For each Short Answer Question(SAQ) and Long Answer Question(LAQ), write your answers in the blanks provided.
Leave your answers in the simplest form or correct to two decimal places.
| 1) What is √ 169
Answer:_______________ |
| 2) What is the positive square root of 4761
Answer:_______________ |
| 3) What is √ 256
Answer:_______________ |
| 4) What is √ 484
Answer:_______________ |
| 5) What is the positive square root of 5776
Answer:_______________ |
| 6) What is √ 81
Answer:_______________ |
| 7) What is √ 361
Answer:_______________ |
| 8) What is the positive square root of 8281
Answer:_______________ |
| 9) What is √ 36
Answer:_______________ |
| 10) What is √ 784
Answer:_______________ |
| 1) What is √ 169 Answer: -13 SOLUTION 1 : Remember: To find the square root of a given number, figure out which number squared (multiplied by itself) equals that given number. Every positive number has both a positive and a negative square root. The radical symbol ( ) means the positive square root. For example, 9 = 3 since 9 = 32 and 3 is positive. Solve: You want to find the positive square root of 169. Figure out which number squared (multiplied by itself) equals 169. The number -132 squared equals 169. 169 = -13 × -13 = 169 Finally, include the negative sign to get the negative square root. So √ 169 is -13. |
| 2) What is the positive square root of 4761 Answer: 69 SOLUTION 1 : Remember: To find the square root of a given number, figure out which number squared (multiplied by itself) equals that given number. Every positive number has both a positive and a negative square root. The radical symbol ( ) means the positive square root. For example, 9 = 3 *3 since 9 = 32 and 3 is positive. Solve: You want to find the positive square root of 4761. Figure out which number squared (multiplied by itself) equals 4761. The number 692 squared equals 4761. 4761 = 69 × 69 = 4761 So the positive √ 4761 is 69. |
| 3) What is √ 256 Answer: 16 SOLUTION 1 : Remember: To find the square root of a given number, figure out which number squared (multiplied by itself) equals that given number. Every positive number has both a positive and a negative square root. The radical symbol ( ) means the positive square root. For example, 9 = 3 since 9 = 32 and 3 is positive. Solve: You want to find the positive square root of 256. Figure out which number squared (multiplied by itself) equals 256. The number 162 squared equals 256. 256 = 16 × 16 = 256 So √ 256 is 16. |
| 4) What is √ 484 Answer: -22 SOLUTION 1 : Remember: To find the square root of a given number, figure out which number squared (multiplied by itself) equals that given number. Every positive number has both a positive and a negative square root. The radical symbol ( ) means the positive square root. For example, 9 = 3 since 9 = 32 and 3 is positive. Solve: You want to find the positive square root of 484. Figure out which number squared (multiplied by itself) equals 484. The number -222 squared equals 484. 484 = -22 × -22 = 484 Finally, include the negative sign to get the negative square root. So √ 484 is -22. |
| 5) What is the positive square root of 5776 Answer: 76 SOLUTION 1 : Remember: To find the square root of a given number, figure out which number squared (multiplied by itself) equals that given number. Every positive number has both a positive and a negative square root. The radical symbol ( ) means the positive square root. For example, 9 = 3 *3 since 9 = 32 and 3 is positive. Solve: You want to find the positive square root of 5776. Figure out which number squared (multiplied by itself) equals 5776. The number 762 squared equals 5776. 5776 = 76 × 76 = 5776 So the positive √ 5776 is 76. |
| 6) What is √ 81 Answer: 9 SOLUTION 1 : Remember: To find the square root of a given number, figure out which number squared (multiplied by itself) equals that given number. Every positive number has both a positive and a negative square root. The radical symbol ( ) means the positive square root. For example, 9 = 3 since 9 = 32 and 3 is positive. Solve: You want to find the positive square root of 81. Figure out which number squared (multiplied by itself) equals 81. The number 92 squared equals 81. 81 = 9 × 9 = 81 So √ 81 is 9. |
| 7) What is √ 361 Answer: -19 SOLUTION 1 : Remember: To find the square root of a given number, figure out which number squared (multiplied by itself) equals that given number. Every positive number has both a positive and a negative square root. The radical symbol ( ) means the positive square root. For example, 9 = 3 since 9 = 32 and 3 is positive. Solve: You want to find the positive square root of 361. Figure out which number squared (multiplied by itself) equals 361. The number -192 squared equals 361. 361 = -19 × -19 = 361 Finally, include the negative sign to get the negative square root. So √ 361 is -19. |
| 8) What is the positive square root of 8281 Answer: 91 SOLUTION 1 : Remember: To find the square root of a given number, figure out which number squared (multiplied by itself) equals that given number. Every positive number has both a positive and a negative square root. The radical symbol ( ) means the positive square root. For example, 9 = 3 *3 since 9 = 32 and 3 is positive. Solve: You want to find the positive square root of 8281. Figure out which number squared (multiplied by itself) equals 8281. The number 912 squared equals 8281. 8281 = 91 × 91 = 8281 So the positive √ 8281 is 91. |
| 9) What is √ 36 Answer: 6 SOLUTION 1 : Remember: To find the square root of a given number, figure out which number squared (multiplied by itself) equals that given number. Every positive number has both a positive and a negative square root. The radical symbol ( ) means the positive square root. For example, 9 = 3 since 9 = 32 and 3 is positive. Solve: You want to find the positive square root of 36. Figure out which number squared (multiplied by itself) equals 36. The number 62 squared equals 36. 36 = 6 × 6 = 36 So √ 36 is 6. |
| 10) What is √ 784 Answer: -28 SOLUTION 1 : Remember: To find the square root of a given number, figure out which number squared (multiplied by itself) equals that given number. Every positive number has both a positive and a negative square root. The radical symbol ( ) means the positive square root. For example, 9 = 3 since 9 = 32 and 3 is positive. Solve: You want to find the positive square root of 784. Figure out which number squared (multiplied by itself) equals 784. The number -282 squared equals 784. 784 = -28 × -28 = 784 Finally, include the negative sign to get the negative square root. So √ 784 is -28. |