Unit 9.1-9.4 Check for Understanding

Unit 9.1-9.4 Check for Understanding

Assessment

Flashcard

Mathematics

11th Grade

Practice Problem

Hard

Created by

Wayground Content

FREE Resource

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15 questions

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1.

FLASHCARD QUESTION

Front

What is a unit rate?

Back

A unit rate is a comparison of two different quantities where one of the quantities is expressed as a quantity of one. For example, if a car travels 300 miles in 5 hours, the unit rate is 60 miles per hour.

2.

FLASHCARD QUESTION

Front

How do you calculate a unit rate?

Back

To calculate a unit rate, divide the total quantity by the number of units. For example, if Alycia earned $20.40 in 3 hours, her unit rate is $20.40 ÷ 3 = $6.80 per hour.

3.

FLASHCARD QUESTION

Front

What is a proportion?

Back

A proportion is an equation that states that two ratios are equal. For example, if a/b = c/d, then a, b, c, and d are in proportion.

4.

FLASHCARD QUESTION

Front

How do you solve a proportion?

Back

To solve a proportion, cross-multiply the terms and set the products equal to each other. For example, if a/b = c/d, then ad = bc.

5.

FLASHCARD QUESTION

Front

What is the formula for finding the unit rate of speed?

Back

The formula for finding the unit rate of speed is: Speed = Distance ÷ Time.

6.

FLASHCARD QUESTION

Front

If a car travels 440 miles in 8 hours, what is the unit rate?

Back

The unit rate is 440 miles ÷ 8 hours = 55 miles per hour.

7.

FLASHCARD QUESTION

Front

What does it mean to solve for x in an equation?

Back

To solve for x means to find the value of x that makes the equation true.

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