Algebra 1 | Unit 6 | Lesson 17: Changing the Vertex | Practice Problems

At 6:00 a.m., Lin began hiking. At noon, she had hiked 12 miles. At 4:00 p.m., Lin finished hiking with a total trip of 26 miles. During which time interval was Lin hiking faster? Explain how you know.

Kiran bought a smoothie every day for a week. Smoothies cost $3 each. The amount of money he spends, in dollars, is a function of the number of days of buying smoothies. Sketch a graph of this function. Be sure to label the axes. Describe the domain and range of this function.

A deposit of $500 has been made in an interest-bearing account. No withdrawals or other deposits (aside from earned interest) are made for 5 years. Write an expression to represent the account balance for each of the following situations. 6.5% annual interest calculated monthly. 6.5% annual interest calculated every two months. 6.5% annual interest calculated quarterly. 6.5% annual interest calculated semi-annually.