8th Grade Math STAAR Review

Front

Going from (x,y) to (y,-x) will result in a counter-clockwise rotation of _____ degrees.

Back

270 degrees.

Front

The y-intercept always has an x-value of ____.

Back

Zero.

Front

Going from (x,y) to (x,-y) results in reflecting across _______.

Back

The x-axis.

Front

What is the equation of the table?

Back

y= 6x +15.

Front

Going from (x,y) to (-x,y) results in reflecting across _______.

Back

The y-axis.

Front

What is the formula for the slope of a line?

Back

Slope (m) = (y2 - y1) / (x2 - x1).

Front

What does the slope of a line represent?

Back

The rate of change or steepness of the line.

Front

What is the standard form of a linear equation?

Back

Ax + By = C, where A, B, and C are integers.

Front

What is the distance formula between two points (x1, y1) and (x2, y2)?

Back

Distance = √((x2 - x1)² + (y2 - y1)²).

Front

What is the midpoint formula for two points (x1, y1) and (x2, y2)?

Back

Midpoint = ((x1 + x2)/2, (y1 + y2)/2).