Algebra 2
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| natural numbers | counting numbers
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| whole numbers | counting numbers and 0
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| integers | positive integers, negative integers, & 0
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| rational numbers | quotients of integers (nonzero denominator), terminating decimal, repeating,
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| irrational numbers | nonquotients of integers, nonterminating or repeating, if positive rational number isn't a perfect square
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| real number | natural, whole, integer, rational, & irrational. not imaginary
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| opposite/additive inverse | opposite value of number. b is -b.
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| reciprocal/multiplicative inverse | the product of reciprocals is 1. b is 1/b
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| closure property | a+b is a real number. ab is a real number
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| commutative property | a+b = b+a. ab = ba
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| Associative property | (a+b)+c = a(b+c).(ab)c = a(bc).
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| Identity property | a+0=a, 0+a=aa*1=a, 1*a=a
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| inverse property | a+(-a)=0a * 1/a =1, not 0
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| distributive property | a(b+c)=ab+ac
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| absolute value | how far a number is from 0.
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| variable | letter symbol for a number
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| algebraic expression | expression with 1 or more variables
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| variable expression | expression with 1 or more variables.
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| evaluate | substitute numbers for variables and do order of operations.
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| term | number, variable, or product of a number and one or more variables
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| coefficient | number in a term
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| subtraction | subtract
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| division | divide
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| dist. property for subtraction | dist. property and subtract
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| multiplication by 0 | product is 0
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| multiplication by -1 | product is negative
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| opposite of a sum | -(a+b)= -a+(-b)
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| opposite of a difference | -(a-b)=b-a
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| opposite of a product | -(ab)=-a*b
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| opposite of an opposite | positive number
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| solution of the equation | number that makes an equation true
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| reflexive property | a=a
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Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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Created by:
woodclay12
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