Slope Flashcard

Front

What is the slope?

Back

The slope is a measure of the steepness of a line, calculated as the rise over the run.

Front

Identify the slope in the equation y = 4x - 3.

Back

The slope is 4.

Front

Evan has saved $100. He wants a new gaming system that costs $500. He plans to do weekly chores to earn $20 each week to save up to buy the gaming system. What is the rate of change?

Back

The rate of change is $20 per week.

Front

What type of slope is represented by a horizontal line?

Back

A horizontal line has a zero slope.

Front

If Skier one descends at a rate of 25 feet every five seconds, what is the rate of descent in feet per second?

Back

The rate of descent is 5 feet per second.

Front

If Skier two descends at a rate of 9 feet every two seconds, what is the rate of descent in feet per second?

Back

The rate of descent is 4.5 feet per second.

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

Back

The formula is (y2 - y1) / (x2 - x1).

Front

What is the slope of a vertical line?

Back

The slope of a vertical line is undefined.