Name: 
 

Algebra 1 SOL A.16



Multiple Choice
Identify the choice that best completes the statement or answers the question.
 
 
For the following questions, suppose this table shows the total number of points scored and yards gained by the football team of each given university on a Saturday in October.

School
Points Scored x
Yards Gained y
Virginia Tech
47
468
Univ. of Virginia
27
377
Wake Forest
24
392
Maryland
37
407
Duke
7
275
 

 1. 

Which is an equation for the line of best fit? Round your numbers to the nearest tenth. Use your graphing calculator.
a.
mc001-1.jpg
c.
mc001-3.jpg
b.
mc001-2.jpg
d.
mc001-4.jpg
 

 2. 

How many points would you expect a team to have scored if they gained 500 yards? Round you answer to the nearest whole number.
a.
49
c.
151
b.
54
d.
2,505
 

 3. 

How many yards would you expect a team to have gained if they scored 14 points? Round your answer to the nearest whole number.
a.
272
c.
318
b.
300
d.
336
 

 4. 

Which appears to be an equation for the best-fit line for the data shown in this graph?

mc004-1.jpg
a.
mc004-2.jpg
c.
mc004-4.jpg
b.
mc004-3.jpg
d.
mc004-5.jpg
 
 
For the following questions, use this table giving the number of stories and number of rooms in five hotels in Virginia. The equation of the best-fit line relating this data is y = 33.6x – 29.4.

Stories x
19
15
7
3
2
Rooms y
685
395
153
95
72
 

 5. 

Using the equation for the best-fit line, how many rooms would you expect to find in a hotel of 10 stories? Round your answer to the nearest whole number.
a.
102
c.
307
b.
196
d.
521
 

 6. 

How many stories would you expect a hotel to have if it has 130 rooms? Round your answer to the nearest whole number.
a.
1
c.
9
b.
5
d.
12
 
 
For the following questions, use this table which gives the grade point average and number of hours spent doing homework per week for 6 high schools students.

Hours per week
doing homework x
18
16
15
12
7
8
GPA y
4.0
3.8
3.4
3.0
2.3
2.1
 

 7. 

What is an equation for the line of best fit for this data? Round your numbers to two decimal places. Use your graphing calculator.
a.
mc007-1.jpg
c.
mc007-3.jpg
b.
mc007-2.jpg
d.
mc007-4.jpg
 

 8. 

If a student spends 10 hours per week doing homework, what GPA would he or she be expected to have? Round your answer to two decimal places.
a.
2.62
b.
2.86
c.
3.20
d.
17.92
 

 9. 

If a student has a GPA of 1.60, how many hours per week would you expect him or her to spend doing homework? Round your answer to the nearest whole number.
a.
6
b.
4
c.
2
d.
1
 



 
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