Algebra STAAR Semester Exam

Front

Back

Front

Back

Front

What is the slope of a line that passes through the points (2, 4) and (6, 12)?

Back

The slope is 2.

Front

What is the slope of a line that passes through the points (1, 7) and (10, 1)?

Back

Front

What is the definition of slope in a linear equation?

Back

Slope is the ratio of the rise (change in y) to the run (change in x) between two points on a line.

Front

How do you calculate the slope between two points (x1, y1) and (x2, y2)?

Back

Front

What does a positive slope indicate about a line?

Back

A positive slope indicates that the line rises as it moves from left to right.

Front

What does a negative slope indicate about a line?

Back

A negative slope indicates that the line falls as it moves from left to right.

Front

What is the slope-intercept form of a linear equation?

Back

Front

What is the y-intercept of a line?

Back

The y-intercept is the point where the line crosses the y-axis (x=0).