Real Numbers Answers
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1
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Which set does not contain –3?
A
the set of all real numbersB
the set of all integersC
the set of all whole numbersD
the set of all rational numbers2
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Which algebraic expression represents the phrase “four times a number”?
A
4 + cB
c - 4C
4 divided by c
D
4c3
Which phrase represents the algebraic expression ?
A
the product of one-fourth and a number, plus sevenB
the product of seven and a numberC
the product of one-fourth and seven, plus a numberD
the product of seven and one-fourth4
Which answer describes the type of numbers that are dense?
A
whole numbers and integersB
whole numbers but not integersC
rational numbers and irrational numbersD
rational numbers but not irrational numbers5
Which property of real numbers is shown below?-6(4x + 5) = -24x - 30
A
associative property of additionB
commutative property of multiplicationC
distributive propertyD
inverse property of addition6
Which property of real numbers is shown below?-6 + 6 = 0
A
associative property of additionB
commutative property of additionC
identity property of additionD
inverse property of addition7
Which number is an integer?
A
Negative three-fourths
B
0C
2.3D
Pi
8
Which phrase represents the algebraic expression ?
A
the sum of six times a number and three, multiplied by the difference of nine times the number and sevenB
the sum of six times a number and three, divided by the difference of nine times the number and sevenC
the sum of three times a number and six, multiplied by the difference of seven times the number and nineD
the sum of three times a number and six, divided by the difference of seven times the number and nine9
Which equation shows the inverse property of multiplication?
A
4 + (-4) = 0B
-8 + (-3) = -3 + (-8)C
2 times one-half = 1
D
Eight-fifths + 0 = Eight-fifths
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