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Algebra Practice Quiz 1.1-1.3 Name:_________________________________________ Hegner PART 1: MULTIPLE CHOICE o Show your work for each problem, and write the letter of the correct answer on the corresponding line. (1) If x=5, then 6x+2=? A. B. C. D. (2) (3) (5) (6) 4 3 r if r=3.4 and =3.14. 3 Round your answer to the nearest tenth. (5)____________ 42.7 129.62 164.55 2884.31 3.021 1.78 =? 2 3(4.1 1.6) A. B. C. D. (4)____________ 41 67 73 146 Evaluate A. B. C. D. (3)____________ 33.41 88 88.87 279.05 Evaluate (3x)2 2y 2 if x=1 and y=4. A. B. C. D. (2)____________ Add Subtract Multiply Divide The area of a circle is times the square of the radius ( A r 2 ), where 3.14 . Find the area of a circle whose radius is 5.32. A. B. C. D. (4) 30 32 36 42 Which operation would you perform first in evaluating 30 3 2 (8 1) ? A. B. C. D. (1)____________ .089 .119 .121 .131 (6)____________ (7) Evaluate (4a 3b)2 when a=2 and b=5. A. B. C. D. (8) 676 529 233 None of these Simplify the expression 3[18 6 2 7(2)] . A. B. C. D. (7)___________ (8)____________ 21 8 -6 None of these PART 2: FREE RESPONSE o Show your work for each problem, and write your answer on the corresponding line. (9) Mike rode his bike at a speed of 14 miles an hour for 9.5 hours this week. How far did he ride this week? (distance = rate time, d r t ) (9)____________ (10) Paulina invested $2000 dollars into an account that has an interest rate of 7%. If she invests the money for 9 years, how much interest will she earn? (Interest = Principal rate time, I Pr t ) (10)___________ (11) Evaluate b6 when b=3. (11)___________ (12) Juan needs a cube box to send a gift in the mail. He needs the box to have side lengths of 11 inches. What would the volume of this box be? ( V s3 ) (12)___________ (13) Maria is going to tile a room in her house. The square tiles are six inches by six inches. What is the area of each tile? ( A s2 ) (13)___________ (14) Simplify the following expression. 3 7 (6 5) 23 (14)___________ (15) Evaluate the expression 2x2 15 x when x=4. (15)___________ PART 3: CRITICAL THINKING/WRITTEN RESPONSE o In the following problems you must write your answers in sentence form. Be sure to write a thorough explanation for each problem. (3 points each) (16) What is the difference between the following expressions? (DO NOT JUST SAY PARENTHESIS) expression #1: 3x3 (17) expression #2: (3x)3 You are now the teacher! The following work was done by one of your students. The problem was done incorrectly. Your job is to explain, in writing, to the student what he/she did wrong. There may be more than one mistake. (DO NOT JUST DO THE PROBLEM CORRECTLY. EXPLAIN WHAT THE MISTAKE WAS) Line a 14 2 (7 8 3) Line b 14 2 (15 3) Line c 14 2 5 Line d 16 7 Line e 112 __________________________________ __________________________________ __________________________________ __________________________________ __________________________________