8th STAAR Review

Front

What is the rate of change in a linear function?

Back

The rate of change in a linear function is represented by the slope.

Front

In a function, what cannot repeat?

Back

In a function, no x-value can repeat.

Front

What is the relationship between inputs and outputs in a function?

Back

In a function, every input has only 1 output.

Front

What is the rule for a 90 degree rotation of a point (x,y)?

Back

The rule for a 90 degree rotation is (x,y) → (y,-x).

Front

What is the rule for reflecting a point (x,y) over the x-axis?

Back

The rule for reflecting over the x-axis is (x,y) → (x,-y).

Front

Define slope in the context of a graph.

Back

Slope is the measure of the steepness of a line, calculated as the rise over run.

Front

What is a function?

Back

A function is a relation where each input has exactly one output.

Front

What does it mean for a function to be one-to-one?

Back

A one-to-one function means that no two different inputs produce the same output.

Front

What is a dilation in geometry?

Back

A dilation is a transformation that alters the size of a figure but not its shape.

Front

What is direct variation?

Back

Direct variation is a relationship between two variables where one is a constant multiple of the other.