Analyzing Temperature and Account Balances

The video tutorial covers unit 7 lesson 13, focusing on unlabeled points, account balance analysis, and temperature variations. It begins with a warm-up activity involving coordinates, followed by an analysis of a bank account balance over 14 days, highlighting the greatest and least balances and interpreting deficits. The lesson then shifts to examining high and low temperatures in Nome, Alaska, using inequalities to describe temperature ranges and identifying days with the largest and smallest temperature differences. The session concludes with instructions for student tasks, including practice problems and a cool-down activity in Google Classroom.

What are the coordinates of point A in the warm-up activity?

• (7, -5.5)

• (-8, 4)

• (3, 2)

• (-3.5, 0.2)

On which day did the account balance reach its highest point?

• Day 6

• Day 14

• Day 3

• Day 11

What does the point (6, -50) indicate about the account balance?

• A surplus of $50

• A deficit of $50

• A balance of $0

• A balance of $50

What was the warmest high temperature recorded in Nome, Alaska?

• 26°F

• 28°F

• 17°F

• 21°F

Write an inequality to describe the high temperatures over the eight-day period.

• H ≤ 21

• H ≥ 28

• H ≥ 2

• H ≤ 28

What was the coldest low temperature recorded?

• 0°F

• -1°F

• 2°F

• -3°F

On which day did the largest temperature difference occur?

• Day 1

• Day 3

• Day 8

• Day 6

What was the smallest temperature difference recorded?

• 7 degrees

• 10 degrees

• 5 degrees

• 2 degrees

What should students do after watching the video?

• Take a quiz

• Do practice problems

• Write a report

• Read a book

Where can students find the cool down activity?

• On the school website

• In the library

• On Google Classroom

• In the textbook