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.
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