To which subset of real numbers does the following number belong? 10−−√ (1 point) Responses rational numbers rational numbers irrational numbers irrational numbers whole numbers, integers, rational numbers whole numbers, integers, rational numbers Question 2 Simplify the following expression. 2x +84 (1 point) Responses 2x4 +41 2x4 +41 2x + 2 2x + 2 x2 + 2 x2 + 2 Question 3 What is the algebraic expression for the following word phrase: the sum of 2x and 5(1 point) Responses 2x-5 2x-5 2x+5 2x+5 2x(5) 2x(5) Question 4 Evaluate Evaluate: az + bw2 for a =8 b =2, w =3 z =4 (2 points) Your solution is: Question 5 25−−√ is a rational number (1 point) Responses True True False False Question 6 Which property is illustrated by the following statement? (2x)yz = 2(xy)z (1 point) Responses Associative Property of Multiplication Associative Property of Multiplication Commutative Property of Multiplication Commutative Property of Multiplication Inverse Property of Multiplication Inverse Property of Multiplication Question 7 What is the simplified form of the following expression? (23)2 (1 point) Your solution is: Question 8 The temperature at the end of the day was 80 degrees. The temperature had increased twice during the day, once of 8 degrees and another time by 4 degrees. What was the temperature at the start of the day? (2 points) Your solution is: Question 9 What is the algebraic expression for the following expression for the following word phrase: the sum of 3x and 7(1 point) Responses 3x +7 3x +7 3x(7) 3x(7) 3x ÷ 7 3x ÷ 7 Question 10 What is the simplified form of the following expression? 8xy−2x (1 point) Your solution is: Question 11 Note: Your teacher will grade your response to ensure that you receive proper credit for your answer. A gym membership costs $15 to join and $10 each month. Write and use an algebraic expression to the find the cost of the gym for 6 months. (4 points) No file chosen Supported file formats: PDF, JPG, GIF, PNG 0 / 4 File Limit Question 12 Simplify the following expression. 18(16−24x) (2 points) Your solution is: Question 13 What is the simplified form of the following expression? 10[ 62 ÷ ( 18−9) +7 ] (2 points) Your solution is: Skip to navigation
3 answers
The expression 2x + 84 simplifies to 2x + 84.
The algebraic expression for the word phrase "the sum of 2x and 5" is 2x + 5.