Early vocabulary for introductory algebra
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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| What is the numerical coefficient (or 'coefficient') of a term? | The numerical factor of a term
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| What are like terms? | terms that have exactly the same variable part
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| What is a linear equation in one variable? | An equation that can be written in the form ax+b=c, where a, b, and c are real numbers and a does not equal 0.
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| What property is illustrated by the following example: If a=b , then ac=bc? | Multiplication property of equality.
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| What property is illustrated by the following example: 4(7+x) = 28 + 4x ? | Distributive property
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| What property is illustrated by the following example: 4x + 3 + x + 2 = 4x + x + 3 + 2 ? | Commutative property of addition
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| What property is illustrated by the following example: (8+7)+3 = 8+(7+3) ? | Associative property of addition
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| In the following list, which terms are like terms: 4x, 4y, 3x, 4, -2x ? | 4x, 3x, and -2x
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| Define equivalent equations. | Equations that have the same solution.
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| What is a formula? | An equation that describes a known relationship among quantities.
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| Define absolute value. | The distance between that number and 0 on the number line.
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| A symbol used to represent a number is called ____. | a variable
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| Two numbers whose product is 1 are called ____. | reciprocals
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| The number in a fraction below the fraction bar is called the _____. | denominator
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| The number in a fraction above the fraction bar is called the _____. | numerator
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| Parentheses, brackets, and fraction bars are examples of _____ . | grouping symbols
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| The value for a variable that makes an equation true is called the _____ . | solution
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| Two numbers that are the same distance from zero but lie on opposite sides of 0 are called ____ . | opposites
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| What is the sum of 8 and 2 ? | 10
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| What is the difference of 8 and 2 ? | 6
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| What is the product of 8 and 2 ? | 16
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| What is the quotient of 8 and 2 ? | 4
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| This symbol < means ______. | Less than
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| This symbol > means ______ . | Greater than
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| What does it mean to solve an equation? | To find the value for the variable that will make the equation true.
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| By what property do we know that x = 1/2 and 5x = 5(1/2) are equivalent equations? | Multiplication property of equality
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| By what property do we know that x = 5 and 3+x = 3+5 are equivalent equations? | Addition property of equality
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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:
btimmer
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