Lesson 15: Practice Problems
Problem 1
Evaluate each expression, giving the answer in scientific notation:
Problem 2 From Unit 5 Lesson 10
Write a scenario that describes what is happening in the graph.
What is happening at 5 minutes?
What does the slope of the line between 6 and 8 minutes mean?
Problem 3 From Unit 4 Lesson 10
Apples cost $1 each. Oranges cost $2 each. You have $10 and want to buy 8 pieces of fruit. One graph shows combinations of apples and oranges that total to $10. The other graph shows combinations of apples and oranges that total to 8 pieces of fruit.
Name one combination of 8 fruits shown on the graph that whose cost does not total to $10.
Name one combination of fruits shown on the graph whose cost totals to $10 that are not 8 fruits all together.
How many apples and oranges would you need to have 8 fruits that cost $10 at the same time?
Problem 4 From Unit 4 Lesson 5
Solve each equation and check your solution.