Name: 
 

Alg 7.0



True/False
Indicate whether the statement is true or false.
 

 1. 

(0, 2) is a solution to tf001-1.jpg.               
 

 2. 

(0, 2) is a solution to tf002-1.jpg.               
 

 3. 

(–1, 4) is a solution to tf003-1.jpg.               
 

 4. 

(–1, 4) is a solution to tf004-1.jpg.               
 

 5. 

(1, –4) is a solution to y = x–5.               
 

 6. 

(3, –6) is a solution to y = x–4.               
 

 7. 

(–2, –5) is a solution to y = 2x–1.               
 

 8. 

(–1, –5) is a solution to y = x+1.               
 

 9. 

(0, 3) is a solution to y = –x + 3.               
 

 10. 

(0, –4) is a solution to y = –x + 1.               
 

 11. 

(–1, 2) is a solution to y = –x + 1.               
 

 12. 

(–3, 3) is a solution to y = –2x + 1.               
 

 13. 

(0, –2) is a solution to y = –2x–2.               
 

 14. 

(0, –4) is a solution to y = –5x–5.               
 

 15. 

(–2, –1) is a solution to y = –x–3.               
 

 16. 

(–2, 5) is a solution to y = –2x+4.               
 

Multiple Choice
Identify the choice that best completes the statement or answers the question.
 

 17. 

Find the slope of the line containing the two points:  (–3, 1)  and (0, 2).
Leave slope in fractional form.
a.
mc017-4.jpg
c.
mc017-6.jpg
b.
mc017-5.jpg
d.
mc017-7.jpg
 

 18. 

Find the slope of the line containing the two points:  (–2, –5)  and (–5, 3).
Leave slope in fractional form.
a.
mc018-4.jpg
c.
mc018-6.jpg
b.
mc018-5.jpg
d.
mc018-7.jpg
 

 19. 

Find the slope of the line containing the two points:  (–3, –4)  and (4, –5).
Leave slope in fractional form.
a.
mc019-4.jpg
c.
mc019-6.jpg
b.
mc019-5.jpg
d.
mc019-7.jpg
 

 20. 

Find the slope of the line containing the two points:  (5, 3)  and (–1, –1).
Leave slope in fractional form.
a.
mc020-4.jpg
c.
mc020-6.jpg
b.
mc020-5.jpg
d.
mc020-7.jpg
 

 21. 

Find the slope of the line containing the two points:  (–5, 1)  and (1, 3).
Round approximate values to the nearest hundredth.
a.
–0.5
c.
0.67
b.
0.33
d.
3
 

 22. 

Find the slope of the line containing the two points:  (4, –3)  and (–2, 5).
Round approximate values to the nearest hundredth.
a.
–1.33
c.
–0.75
b.
4
d.
–0.33
 

 23. 

Find the slope of the line containing the two points:  (–1, 4)  and (2, 3).Round approximate values to the nearest hundredth.
a.
–0.33
c.
2.33
b.
–3
d.
–1
 

 24. 

Find the slope of the line containing the two points:  (–1, 2)  and (–5, 0).
Round approximate values to the nearest hundredth.
a.
2
c.
–0.5
b.
–0.33
d.
0.5
 

 25. 

Without graphing, tell whether the point (10, 37) is on the graph of y = 3x + 7.
a.
Yes
b.
No
 

 26. 

Write an equation in point-slope form for the line that has a slope of mc026-1.jpg and contains the point (–8, –7).
a.
x – 8 = mc026-4.jpg(y – 7)
c.
y – 7 = mc026-6.jpg(x – 8)
b.
y + 8 = mc026-5.jpg(x + 7)
d.
y + 7 = mc026-7.jpg(x + 8)
 

 27. 

Write an equation in slope-intercept form for the line that passes through (3, 7) and (7, 4).
a.
y = mc027-3.jpgx + mc027-4.jpg
c.
y = mc027-7.jpgx + mc027-8.jpg
b.
y = mc027-5.jpgx + mc027-6.jpg
d.
y = mc027-9.jpgx + mc027-10.jpg
 

 28. 

The cost to fill a car’s tank with gas and get a car wash is a linear function of the capacity of the tank. The costs of a fill-up and a car wash for three different customers are shown in the table. Write an equation for the function in slope-intercept form. Then, find the cost of a fill-up and a car wash for a customer with a truck whose tank size is 22 gallons.

Tank size (gal)
(x)
Total cost ($)
f(x)
11
21.45
15
28.25
17
31.65
a.
mc028-3.jpg; Cost for truck = $36.00
b.
mc028-4.jpg; Cost for truck = $37.45
c.
mc028-5.jpg; Cost for truck = $14.60
d.
mc028-6.jpg; Cost for truck = $40.15
 

 29. 

A linear function has the same y-intercept as mc029-1.jpg and its graph contains the point mc029-2.jpg. Find the y-intercept and slope of the linear function.
a.
mc029-11.jpg
c.
mc029-13.jpg
b.
mc029-12.jpg
d.
mc029-14.jpg
 



 
Check Your Work     Start Over