STAAR Algebra 1 EOC

Front

What does it mean for two lines to be parallel?

Back

Two lines are parallel if they have the same slope and will never intersect.

Front

What does it mean for two lines to be perpendicular?

Back

Two lines are perpendicular if the product of their slopes is -1.

Front

What is the slope-intercept form of a line?

Back

The slope-intercept form is given by the equation y = mx + b, where m is the slope and b is the y-intercept.

Front

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

Back

The slope (m) is calculated using the formula m = (y2 - y1) / (x2 - x1).

Front

What is the slope of the line represented by the equation y = 3x + 4?

Back

The slope of the line is 3.

Front

If a line has a slope of 0, what does that indicate about the line?

Back

A slope of 0 indicates that the line is horizontal.

Front

If a line has an undefined slope, what does that indicate about the line?

Back

An undefined slope indicates that the line is vertical.

Front

Determine if the lines y = 2x - 3 and y = -1/2x + 7 are parallel, perpendicular, or neither.

Back

The lines are perpendicular.

Front

What is the slope of a line that passes through the points (2, 3) and (4, 7)?

Back

The slope is 2.

Front

What is the y-intercept of the line represented by the equation y = -x + 5?

Back

The y-intercept is 5.