Analyzing Graphs and Functions

The video tutorial covers five math problems, each focusing on different concepts. Problem 23 involves analyzing line plots to determine Mario's total mileage over six months. Problem 24 calculates the temperature drop on a mountain peak over a few hours. Problem 25 requires solving an algebraic equation to find out how many packs of paper Brad bought. Problem 26 emphasizes the importance of order of operations in evaluating expressions. Finally, Problem 27 involves determining the equation of a graph by identifying its slope and y-intercept.

Mario drives 1,500 miles each month. Which line plot correctly shows his total miles over six months?

• A line plot showing 1,500 miles each month.

• A line plot showing 1,500 miles initially and no change.

• A line plot showing 1,500 miles over six months.

• A line plot showing 9,000 miles in the first month.

If the temperature drops from 7 degrees to 0 degrees Fahrenheit in two hours, what is the estimated temperature at 11:00 PM?

• -7 degrees Fahrenheit

• -10.5 degrees Fahrenheit

• -10 degrees Fahrenheit

• 0 degrees Fahrenheit

Brad bought a $6 binder and several packs of paper costing $0.60 each, spending a total of $13.20. How many packs did he buy?

• 20 packs

• 10 packs

• 12 packs

• 15 packs

Evaluate the expression 3 plus 5 squared, divided by 4 minus x plus 1, when x equals 7.

• 2

• 1

• -1

• 0

What is the equation of a graph with a slope of 1 and a y-intercept of 3?

• y = x + 3

• y = 3x + 1

• y = 2x + 3

• y = x - 3