Unit: 1. INTEGERS Assignment: 27. Review
-9
Simplify -72\8
49
Simplify the expression (-7)2.
-5°F
The temperature went from -6°F to -11°F. What was the change in temperature? -5°F 5°F -17°F 17°F
-112
Use the distributive property to simplify the expression -8(5 + 9).
11
What is the difference between 9 and -2?
32
What is the product of -8 and -4.?
-4
What is the sum of -3 and -1?
commutative property of multiplication
What property does (-9)(0) = (0)(-9) illustrate?
identity property of multiplication
What property does (-9)(1) = -9 illustrate?
associative property of addition
What property does -1 + (4 + 9) = (-1 + 4) + 9 illustrate?
associative property of multiplication
What property does -1(4 · 9) = (-1 · 4) illustrate?
identity property of addition
What property does -9 + 0 = -9 illustrate?
commutative property of addition 5
What property does -9 + 1 = 1 + (-9) illustrate?
-13 + (-7)
Which of the following is another way to express -13 - 7? -13 + 7 13 + (-7) 13 + 7 -13 + (-7)
A.D. 54
Which of the following phrases should not be expressed using a negative number? A.D. 54 owing $12 200 feet below sea level 5 degrees below zero
D
Which of the following points is located at 3? Each tick represents 1 unit. A B C D
≠ >
Which of the following symbols could correctly finish the statement? select all that apply. |-2|___ -|2| = ≠ > < none of these ≤
= ≥ ≤
Which of the following symbols could correctly finish the statement? select all that apply. |-8| ___ |8| = ≠ > < ≥ ≤
absolute value
the distance from zero on the number line
additive identity
the number 0; when added to any number, the value of the number does not change
multiplicative identity
the number 1; when multiplied by any number, the value of the number does not change
base
the number that is repeated as a factor in an exponential expression
exponent
the superscript number in an exponential expression; tells how many times a factor is repeated
power
the value of a base and exponent; also the exponent itself
opposite numbers
two numbers that are the same distance from zero on the number line but in opposite directions
undefined
the quotient of any number and zero
Rational Integer
Classify the following number. Select all that apply. -3 Irrational Rational Integer Whole Natural
-16
Find the value of |-4| - 5 · 2(-1 + 3)
Venn diagram
a diagram that shows the relationships between sets
point
a dot that marks a location on a graph
natural number
a number belonging to the set made up of the counting numbers: 1, 2, 3, and so on
integer
a number belonging to the set made up of the whole numbers and their opposites
whole number
a number belonging to the set made up of zero and the natural numbers
rational number
a number that can be written as a ratio in fraction form
real number
a number that can be written as an infinite decimal
irrational number
a number that, when in decimal form, does not terminate or repeat
factor
a number to be multiplied
associative property
a property of the real numbers that states that how numbers are grouped in a sum or product does not change the value
commutative property
a property of the real numbers that states that the order in which numbers are added or multiplied does not change the value
order of operations
a system for simplifying expressions that ensures that there is only one right answer
distributive property
a(b + c) = ab + ac, or a(b - c) = ab - ac
inverse operations
opposite operations that undo one another
inequality
statement showing a relationship between numbers that are not necessarily equal; uses the symbols >, <, ≥, ≤, or ≠
