The Lord’s Wisdom Academy of Caloocan, Inc. 1162 Santolan St. Corner Guyabano St. Area D.,Brgy. 178 Camarin, Caloocan City JUNIOR HIGHSCHOOL DEPARTMENT Math 9 Quiz No. 3 (2nd Quarter) Name: ______________________________ Grade/Section: Score: ________ Teacher: _________________Date: __________________Parent’s Signature_______ I. Choose the letter of the best answer. Write your answer before each number. 1. What do you call to all numbers with rational exponent that can be express in radical form? A. Linear Equation C. Quadratic Expression B. Radical Expression D. Polynomial Expression 2. What symbol use to indicates roots of the number? A. Radical form C. index B. Radical sign D. radicand 3. Using this formula √ a , what is the value of n in the radical expression ( √8 9 )? n A. 3 C. 8 B. 6 D. 9 3 4. What is the principal root of ( √ 8 x )? 6 A. 8x6 C. 4x3 B. 8x D. 2x2 3 5. Which of the following is the equivalent of 5 4 in radical form? A. √4 53 C. √4 35 B. √3 54 D. √5 4 3 II. Change the following exponential form into radical form. Write the answer on space provided. 5 1 = __________ 1. 8 2 4. ( 9 2 c3 ) 2 = __________ 3 3 2. 6 7 = __________ 27 d 5 1 3. ( 5 x ) 4 = __________ 5. ( ) 4y 5 = __________ III. Write each on exponential form. 1. √3 253 = __________ 4. √8 x = __________ 2. √9 9 x 2 = __________ 2 3 1 3. 7 9 √ x2 IV. Simplify the following. = __________ 5. √ 4 = __________ = __________ 1. √ 125 n 1 = __________ 2. √ 512 k 2 = __________ = __________ 7. √ ❑ 4 1 3. √ 216 k 4 4. √ 32 = __________ √ 8. ❑ = __________ 5 2 √3 x √ = __________ 5. 9. ❑ = __________ 3 6. √3 128 = __________ 3 1 = __________ 10. √x