Multiple Choice Practice - Real Numbers Integrated Algebra Level Algebra Index | Regents Exam Prep Center

 Also available in Hardcopy (.pdf): Real Numbers

Directions:  Choose the best answer.  Answer ALL questions (or only a few at a time), then use the BUTTON at the BOTTOM of the page to check your answers.  If you are told that an answer is incorrect, go back and redo that question and CHECK ANSWERS again.   You may CHECK ANSWERS at any time.
You may use your graphing calculator when working on these problems.

 1.  Which property is illustrated by the equation ma + mb = m(a + b) ? [1] associative         [2]  commutative     [3] distributive       [4]  identity 2.  If A and X represent integers, A + X = X + A is an example of which property? [1]  associative         [2]  commutative      [3]  distributive      [4]  identity 3.  What is the additive inverse of x - y? [1]  x + y                  [2]  -x + y                 [3]   x - y             [4]  -x - y 4.  Which statement is not true for the set of integers? [1] The set of integers is closed under multiplication.      [2] The set of integers is closed under division.    [3] Every integer has an additive inverse.    [4] Every integer has an multiplicative identity. 5.  Which of the following illustrates the associative property of addition? [1]  8 + (3 + 9) = (8 + 3) + 9    [2]  8 + 12 = 12 + 8    [3]  8 (3 + 9) = 8•3 + 8•9    [4]  8 + (-8) = 0 6.  Which property is illustrated by the statement: ( 24 • 9) • 0 = 0 ? [1] commutative property for multiplication      [2] associative property for multiplication      [3] identity property for multiplication      [4] zero property for multiplication 7.  Operation * is defined to be a * b = | b - 2a |. What is the value of 8 * 5? [1]  11                      [2]  -11                  [3]  2                     [4]  -2 8.  Which of the following statements is true? [1] The set of positive integers is closed for subtraction.      [2] The set of negative integers is closed for subtraction.      [3] The set of even integers is closed for addition.      [4] The set of odd integers is closed for division. 9.  Which of the following is not true? [1] 16.701 < 16.71   [2] 53.23 = 53.2300  [3] 25.500 > 25.5   [4] 5.225 > 5.215 10.  Which property is illustrated by the equation: 54a + 0 = 54a ? [1] commutative property of addition      [2] additive inverse property      [3] additive identity property      [4] distributive property

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