A linear equation written in the form y=mx+b. The slope of the line is m. The y-intercept is b.
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reciprocal
Front
Two numbers are reciprocals if their product is 1. If a/b is a nonzero number, then its reciprocal is b/a
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distributive property
Front
you multiply a sum by multiplying each addend separately and then add the products.
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x-axis
Front
the horizontal axis in a coordinate plane
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coordinate plane
Front
The coordinate system formed by two real number lines that intersect at a right angle
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intercept
Front
The y or x-coordinate of a point where a graph crosses the y or x-axis.
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quadrant
Front
One of four regions into which the axes divide a coordinate plane
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variable
Front
a letter that replaces a number
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y-axis
Front
the vertical axis in a coordinate plane
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origin
Front
The point in a coordinate plane where the horizontal axis intersects the vertical axis. The point (0,0)
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solution of an equation
Front
A number that, when substituted for the variable in an equation or inequality, results in a true statement.
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scatterplot
Front
A coordinate graph containing points that represent a set of ordered points; used to analyze relationships between two real-life quantities.
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equation
Front
A statement formed by placing an equal sign between two expressions.
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slope
Front
The ratio of the vertical rise to the horizontal run between any two points on a line. rise over run
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inverse operations
Front
Two operations that undo each other, such as addition and subtraction.
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range
Front
The collection of all output values of a function
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ordered pair
Front
A pair of numbers used to identify a point in a coordinate plane. The first number is the x-coordinate and the second number is the y-coordinate (x, y)
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domain
Front
The collection of all input values of a function
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rate of change
Front
The quotient of two different quantities that are changing. In a linear model, the slope give the rate of change of one variable with respect to the other.
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order of operations
Front
The rules for evaluating an expression involving more than one operation.