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15 Cards in this Set
- Front
- Back
Evaluate
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To find the value of an algebraic expression by replacing varibles with numerals
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Variable
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A symbol,usually a letter, used to repersent a number
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Factor
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A number that divides into a whole number with a remainder of zero
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Prime Factor
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A prime number that is a factor of a specific product
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Composite Number
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A whole number greater than 1 that has more than two factors.
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prime factorization
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Expressing a composite number as a product of its prime factors. Example: The prime factorization of 63 is 3 x 3 x 7.
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Base
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The number that is going to be raised to a power.
Example: in 82, 8 is the base |
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Exponent
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A number that indicates how many times a number or expression is to be multiplied by itself. Example: In the expression 53, the exponent is 3.
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Power
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An expression of the form xn, read x to the nth power. Example: 74 is 7 raised to the fourth power, or 7 x 7 x 7 x 7.
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Squared
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The product of a number and itself. Example: The square of 6, or 62, is 36, because 6 x 6 = 36.
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Cubed
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The product in which a number is a factor three times. Example: The cube of 2, or 2 cubed, is 8 because 2 x 2 x 2 = 8.
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Numerical expression
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A mathematical expression that has a combination of numbers and at least one operation. 4 + 2 x 3 is a numerical expression.
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order of operations
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1. Evaluate expressions inside grouping symbols.
2. Evaluate all powers. 3. Do all multiplications and/or divisions from left to right. 4. Do all additions and/or subtractions from left to right. |
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algerbra
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A mathematical language that uses symbols, usually letters that stand for unknowns, along with numbers.
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algebraic expression
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An expression consisting of one or more numbers and variables along with one or more arithmetic operations.
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