Identifying the y-Intercept in Graphs and Tables

The video tutorial covers the concept of the y-intercept, explaining how to find and interpret it on both graphs and tables. It begins with an introduction to the y-intercept, followed by detailed instructions on identifying it on a graph and in a table. The tutorial emphasizes the importance of understanding the y-intercept as the starting or initial value in various contexts, such as temperature changes, savings, and costs. Through examples and practice problems, the video reinforces the learning objectives and concludes with a summary of key points.

What is the y-intercept?

• The highest point on the graph

• The slope of the line

• The point where the line crosses the x-axis

• The point where the line crosses the y-axis

Which variable is used to represent the y-intercept?

• m

• x

• b

• y

In the context of a graph showing temperature over time, what does a y-intercept of 30 degrees Fahrenheit represent?

• The average temperature

• The highest temperature recorded

• The temperature at the start

• The temperature after 30 hours

Tags

CCSS.HSF.LE.B.5

How do you find the y-intercept in a table of values?

• Look for the highest y-value

• Look for the lowest y-value

• Find the y-value when x equals 0

• Find the x-value when y equals 0

If a table shows that at zero weeks, $250 is saved, what does this y-intercept represent?

• The average amount saved per week

• The total amount saved after zero weeks

• The amount saved after 250 weeks

• The amount saved at the start

Tags

CCSS.HSF.LE.B.5

In a graph showing hours worked and money earned, what does a y-intercept of 0 mean?

• The person earns $0 after working 5 hours

• The person earns $0 after working 10 hours

• The person earns $0 after working 15 hours

• The person earns $0 at the start

Tags

CCSS.HSF.LE.B.5

What does a y-intercept of $7.50 in a table showing the cost of t-shirts represent?

• The initial fee before buying any t-shirts

• The cost of shipping

• The cost of two t-shirts

• The cost of one t-shirt

Tags

CCSS.HSF.LE.B.5

In a graph showing depth in meters over time, what does a y-intercept of -20 meters represent?

• The average depth

• The highest depth recorded

• The depth at the start

• The depth after 20 minutes

Tags

CCSS.HSF.LE.B.5

What is a good phrase to use when describing the y-intercept?

• In the middle

• At the start

• At the end

• At the peak

Tags

CCSS.HSF-IF.C.7A

What is another term for the y-intercept?

• Final value

• Maximum value

• Initial value

• Average value

Tags

CCSS.HSF-IF.C.7A