Co-Algebra 1A
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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| variable | letters used to represent unspecified numbers or values ex. x, y, or z
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| order of operations | Parentheses, exponents, multiplication and division from left to right, addition and subtraction from left to right aka - PEMDAS
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| coefficient | the numerical part of an algebraic term ex. the number "2" in the term 2x
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| algebraic expression | a mathematical expression consisting of one or more numbers and variables along with one or more arithmetic operations (NO EQUALS SIGN) ex. 2x + 6
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| equation | two algebraic expressions separated by an equals sign ex. 2x +6 = -8
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| exponent | in an expression in the form of x^n, the exponent is "n". It indicates the number of times "x" is used as a factor. ex. 4^3, 3 is the exponent and indicates the factor "4" is multiplied 3 times, 4*4*4
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| multiplicative inverse | Two numbers with a product of 1 ex. 1/2 * 2 = 1 or 3/4 * 4/3
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| "like" terms | Terms which contain the same variable(s), with the variables having the same exponent(s). like terms can be combined!!
ex. 3x and 5x are like terms. In the expression 3x - 5x they can be combined to equal -2x.
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| integer | The set of all positive and negative whole numbers. (...-2,-1,0,1,2...)
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| product | the result of multiplying two terms together.
ex. 15 is the product of 5*3
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| PEMDAS | the order of operations!
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| additive inverse | two terms with sum of 0.
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| arithmetic sequence | a numerical pattern which increases or decreases at a constant rate or value. The difference between successive terms is constant. ex. 11,7,3,-1,-5... is an arithmetic sequence with a common difference of d = -4
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| quotient | the result of dividing two terms
ex. 6 is the quotient of 24/4
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| sum | the result of adding two terms together
ex. -2 is the sum of 3 + -5
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| common difference | the constant difference between the terms in an arithmetic sequence
ex. in the arithmetic sequence 3,5,7,9,... the common difference is d = 2
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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:
akominiarek
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