8th Grade Math STAAR Review

Front

What is a transformation that does NOT preserve congruence?

Back

A transformation that does not preserve congruence is a dilation.

Front

What is the formula for slope?

Back

The formula for slope is (y2 - y1) / (x2 - x1).

Front

Can y-values repeat in a function?

Back

Yes, y-values can repeat in a function.

Front

What does it mean to translate a shape on a coordinate plane?

Back

To translate a shape means to slide it around the coordinate plane without changing its size or orientation.

Front

What is the formula for the volume of a cone?

Back

The formula for the volume of a cone is V = (1/3)πr²h.

Front

What is a function?

Back

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

Front

What is the difference between rotation and reflection in transformations?

Back

Rotation turns a shape around a point, while reflection flips a shape over a line.

Front

What is the definition of congruence in geometry?

Back

Congruence means that two shapes are the same size and shape.

Front

What is the x-intercept of a line?

Back

The x-intercept is the point where the line crosses the x-axis.

Front

What is the y-intercept of a line?

Back

The y-intercept is the point where the line crosses the y-axis.