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Definitions
Set Translation
Properties of Real Numbers
Estimate the Square Root!
Simplifying Algebraic Expressions
100
A collection of items called elements
What is a set?
100
The set of all numbers greater than 2 in inequality notation
What is x > 2?
100
The sum of a number and 0 is the original number
What is the additive identity property?
100
The square root of 15
Between 3 and 4
100
x+3xy-2y for x=4 and y=7
What is 74?
200
A set whose elements all belong to another set
What is a subset?
200
{X | 0
What is the set of all numbers X such that X is greater than 0 and less than 24?
200
The product of a number and 1 is the original number
What is the multiplicative identity?
200
the square root of 31
between 5 and 6
200
b^2z-2bz+z^2 for b=6 and z=2
What is 52?
300
The number or expression under the radical symbol
What is the radicand?
300
The set of numbers one through three in interval notation
What is (-infinity, 3)?
300
The Additive Inverse Property
What is the sum of a number and its opposite, or additive inverse, is 0
300
the square root of 111
Between 10 and 11
300
An algebraic expression to represent the situation: The cost of C containers of yogurt at $0.79 each
What is cost=.79xC
400
The Principal Root
What is only the positive square root of a number?
400
130 in interval notation
What is (1,20) or (30, infinity)?
400
Multiplicative inverse property
What is the product of a nonzero number and its reciprocal, or multiplicative inverse is 1.
400
Estimate the square root of 34 to the nearest tenth
5.8
400
An algebraic expression for the amount in dollars remaining from $55 after spending D dollars
What is $55-D
500
Square roots of integers that are not perfect squares
What is an irrational number?
500
Positive divisors of 20 in roster notation
What is {1,2,4,5,10,20}?
500
Associative Property
What is The sum or product of three or more real numbers is the same regardless of the way the numbers are grouped
500
Estimate the square root of 8 to the nearest tenth
2.8
500
an algebraic expression for the area in square inches of a triangle with base B inches and height 12 inches
What is area=12B