LESSON Writing Equations from Tables 14-3 Practice …

[Pages:1]Name ________________________________________ Date __________________ Class __________________

LESSON Writing Equations from Tables

14-3

Practice and Problem Solving: C

Write an equation to express y in terms of x. Use your equation to complete the table.

1.

x

1

2

3

4

5

y

1

4

9

16

___________________________

2.

x 32

28

24

16

y -8

-6

-5

-4

___________________________

3. x

8

6

4

2

y

4

3.2

1.6

0.8 ___________________________

4.

x

1

3

4

5

y

7

12

17

22

___________________________

Solve. 5. F = 9 C + 32 is an equation that models the relationship in the table. 5

Equivalent Temperatures

Celsius, (?C)

-15 -10 -5 0 5

Fahrenheit, (?F) 5 14 23 32 41

What does each variable represent?___________________________________________________. What is the temperature in ?F when it is 20?C? ___________________________________________. Is the ordered pair (30, 86) a solution for the equation? Justify your answer.

_________________________________________________________________________________________

6. Use the table of values and the equation in Exercise 5 to write an equation for which F is the independent variable and C is the dependent variable.

An equation relating F and C is ______________________________________________________. What is the temperature in ?C when it is 59?F? Justify your answer.

_________________________________________________________________________________________

Original content Copyright ? by Houghton Mifflin Harcourt. Additions and changes to the original content are the responsibility of the instructor.

285

 ................
................

In order to avoid copyright disputes, this page is only a partial summary.

Google Online Preview   Download