A1 Unit 4: Linear Functions Vocab Bell Ringer

function that can be expressed in the form f(x) = mx + b, where 'm' is the slope and 'b' is the y-intercept. It represents a straight line on a graph.

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CCSS.8.F.B.4

CCSS.HSF.LE.A.2

An equation that represents a linear function and can be written in the form y = mx + b.

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CCSS.8.F.B.4

CCSS.HSF.LE.A.2

The set of all possible input values (x-values) for a function. It defines the range of values for which the function is defined.

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CCSS.8.F.A.1

CCSS.HSF.IF.A.1

Another name for the equation of a linear function in the form y = mx + b, emphasizing the y-intercept 'b.'

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CCSS.8.EE.B.6

CCSS.8.F.A.3

Lines that have the same slope and are equidistant from each other but never intersect.

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CCSS.HSG.CO.A.1

The point where a linear function crosses the x-axis. It represents the value of 'x' for which 'y' is equal to zero.

A type of linear function in which y is directly proportional to x, meaning y = kx, where 'k' is a constant.

When the slope of a line is less than zero, indicating a decreasing relationship between 'x' and 'y.'

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CCSS.8.EE.B.5

The variable in a function that you can change or control. It is often the input or the value you plug into the function.

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CCSS.8.F.A.1

CCSS.HSF.IF.A.1

When the slope of a line is greater than zero, indicating an increasing relationship between 'x' and 'y.'

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CCSS.8.EE.B.5