8th Grade Math STAAR Review

Front

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

Back

90 degrees

Front

When you translate (x+2,y-5), you will move _____

Back

2 units right and 5 units down

Front

The slope is ________.

Back

Positive

Front

The formula for direct variation is ______.

Back

y=kx

Front

9.513x10^-3 converted to standard notation is ______.

Back

0.009513

Front

What is the formula for the slope of a line?

Back

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

Front

What does a positive slope indicate about a line?

Back

The line rises from left to right.

Front

What is the definition of translation in geometry?

Back

A transformation that moves every point of a figure the same distance in the same direction.

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 difference between a positive and negative slope?

Back

A positive slope rises from left to right, while a negative slope falls from left to right.