Unit 4 Review (Equation of a Line)

Front

The slopes of parallel lines are...

Back

the same

Front

Find the slope of the line that passes through (-3, -4) and (7, 6)

Back

1

Front

The graph shows the relationship between the time and distance a cyclist travels. Which of the following best describes the slope of the line?

Back

The cyclist travels at a speed of 15 miles per hour.

Front

Find the slope of the line that passes through the points (2, 3) and (4, 8)

Back

2.5

Front

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

Back

slope

Front

What is the slope of a vertical line?

Back

Undefined

Front

What is the slope of a horizontal line?

Back

0

Front

If a line has a slope of -3, what does this indicate about the line's direction?

Back

The line descends from left to right.

Front

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

Back

(y2 - y1) / (x2 - x1)

Front

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

Back

The point where the line crosses the y-axis.