Algebra 1 Sem 1 Part B Review
Name ___________________________
1. Graph the line using intercepts.
6x – 3y = 12
x-int:
_____
y-int:
_____
Plot the ordered pairs and answer the following questions: {(1, 3)
(2, –3) (3, –1)}
2.
3.
Domain:
4. Is this a function?
Write the equation of the line in the form y = mx + b, by first using y – y1 = m(x – x1)
5. through the points (6, 9) and (5, 3)
m = ______
Equation: ________________
Find the unit rate and label.
6.
810 ft
1 yd
1 min


= _______________ = ____________________
60 sec
1 min
3 ft
7. Tommy is moving at a rate of 400 ft per min. How many miles can he go in one hour?
Round to the nearest tenth.
Use: 1 mile = 5280 feet
400 ft

1 min
____________

____________
=
_______________________
=
____________________ miles
hr
8. The histogram below shows the number of
hours per week a group of students spent
watching television. How many students
watched more than 5 hours of TV per week?
Choose the letter that best answers the question asked.
9. Five less than the product of three
and a number.
a) 3x – 5
b) 5 – 3x
c) (3 + x) – 5
3
d) 5 –
x
11. Simplify the expression: –2x + 4(x + 1) – 10
a) 6x – 9
b) –2x – 6
c) 2x – 6
d) 2x – 9
13. Let x = –2, y = 4, and z = –5. Evaluate:
x2  z
y
a) 5
b) 2.25
c) 0.25
d) –0.25
10. It is $50 to join a club and then $15
per month. Which expression
below represents the monthly fee?
a) 15m + 50
b) 65m
c) 15 + 50m
d) 3.3m
12. If f(x) = x2 + 6, find f(–2)
a) 4
b) 2
c) –2
d) 10
14. Which of the following shows the mapping
of {(11, 2) ; (11, 8) ; (3, 4) ; (3, 7)}
16. Identify the graph that displays the altitude
of a skydiver as he is taken up in a plane and
then jumps.
18. Parallelogram ABCD is shown below. What
is the equation of the line that goes through
points A and B?
a) y = 3x – 2
b) y  
c) y = –3x – 2
d) y 
1
x2
3
1
x 2
3
15. Which relation is a function?
17. –4x + y = 5. Solve for y.
a) y = –4x + 5
b) y = 4x + 5
c) y = 4x – 5
d) y = –4x – 5
19. Name the transformation from f(x) = x.
g(x) = x + 5
a) up 5
b) down 5
c) left 5
d) right 5
21. Write the equation of the line in point-slope
form if it has a slope of –3 and it passes
through the point (–1, 2). y – y1 = m(x – x1)
a) y – 2 = 3(x + 1)
20. The income Meg makes from babysitting
varies directly with the number of hours she
babysits. If she makes $30 from babysitting
6 hours, write an equation to model this.
1
x
5
a) y = 5x
b) y =
c) y = 180x
d) y = 24x
22. Choose the equation of the line that
passes through (2, 4) and has a slope
of –2. y – y1 = m(x – x1)
a) y = –2x + 10
b) y = –2x + 8
c) y = –2x
d) y = –2x – 8
b) y – 2 = –3(x + 1)
c) y + 1 =
–3(x
– 2)
d) y + 3 = –1(x – 1)
23. Choose the equation for the line that
passes through (–2, 6) and is parallel to
y = –4x + 5. y – y1 = m(x – x1)
a) y = –4x + 2
c) y 
1
x  5.5
4
b) y = –4x – 2
d) y 
1
x  6.5
4
24. The heights and the weight of women with
normal BMI are given in the table. Find the
equation for the line of best fit from the
data.
Height (in)
59
60
61
62
63
64
Weight (lb) 113 119 125 130 135 138
a) y  5.08x  186.10
b) y  5.09x  186.10
c) y  5.09x  186.10
d) y  0.19  36.85
1) stat enter  clear enter (do this for both lists)
2) stat  (calc) #4 enter
25. Use the graph below. Which person
donated much more to one cause than the
other?
a. Reynard
b. Balbina
c. Kane
d. Sayed
27. The line plot shows the number of cookies
customers at a cookie store ate in the store.
The store wants an average of 3 cookies to
be eaten by its customers. How many
cookies does the next customer need to eat
to meet this average?
a. 3
b. 4
c. 6
d. 7
26. Use the graph below. About how much
more did Kane give to hunger prevention than
job training?
a. $14
b. $6
c. $10
d. $4