Illustrative Math - Algebra 2 - Unit 4 - Lesson 5

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Last updated about 1 year ago

12 Questions

At 7 a.m., a colony of 100 bacteria is placed on a petri dish where the population will triple every 6 hours.

Select all statements that are true about the bacteria population.

F.LE.1.b

F.LE.1.a

F.LE.1.c

At 7 a.m., a colony of 100 bacteria is placed on a petri dish where the population will triple every 6 hours.

Select all statements that are true about the bacteria population.

Between 8 a.m. and 9 a.m., the population grows by a factor of 3^{\frac{2}{3}}.

Three hours after the colony is placed on the petri dish, there are about 173 bacteria in the colony.

Three hours after the colony is placed on the petri dish, there are 200 bacteria.

In the first hour the colony is placed on the petri dish, the population grows by a factor of 3^{\frac{1}{6}}.

When the bacteria population reaches 900, 12 hours have passed since the colony was placed on the petri dish.

F.LE.1.b

F.LE.1.a

F.LE.1.c

The graph represents the cost of a medical treatment, in dollars, as a function of time, b, in decades since 1978.
Find the cost of the treatment, in dollars, when d=1. Show your reasoning.

F.LE.1.b

F.LE.1.a

F.LE.1.c

10.

11.

A piece of paper has area 93.5 square inches. 

How many times does it need to be folded in half before the area is less than 1 square inch? Explain how you know.

F.LE.1.b

F.LE.1.a

F.LE.1.c

12.

The area covered by an invasive tropical plant triples every year. 

By what factor does the area covered by the plant increase every month?

F.LE.1.b

F.LE.1.a

F.LE.1.c

This lesson is from Illustrative Mathematics. Algebra 2, Unit 4, Lesson 5. Internet. Available from https://curriculum.illustrativemathematics.org/HS/teachers/3/4/5/index.html ; accessed 27/July/2021.

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