Linear Relationships Unit Review

Front

What is the slope of a horizontal line?

Back

The slope of a horizontal line is zero.

Front

What does a slope of 3/8 indicate about a line?

Back

The line rises 3 units for every 8 units it runs to the right.

Front

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

Back

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

Front

If a line has an undefined slope, what does that mean?

Back

The line is vertical and does not have a defined slope.

Front

What is a linear relationship?

Back

A linear relationship is a relationship that can be represented by a straight line on a graph.

Front

What does the y-intercept represent in the equation of a line?

Back

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

Front

In the equation y = mx + b, what does 'm' represent?

Back

'm' represents the slope of the line.

Front

What is the meaning of the term 'rate of change' in a linear relationship?

Back

Rate of change refers to how much one quantity changes in relation to another quantity.

Front

How do you interpret the slope in a real-world context?

Back

The slope can represent a rate, such as speed or cost per hour.

Front

What is the significance of the x-intercept in a linear equation?

Back

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