IM 1 Practice Midterm - San Juan Unified School District

Name ________________________________________ Date __________________ Class __________________
IM 1 Practice Midterm
1. Which is the most precise measurement?
A 88 cm
7.
a) Find the next two terms in the
sequence.
B 90 cm
C 90.01 cm
____________________________________
D 92.6 cm
2.
Tai wrote the sequence -4, 2, 8, 14
b) Write a recursive rule for the
sequence.
Okamura’s garden has a perimeter of
450 m. How many significant digits does
the perimeter have?
____________________________________
________________________________________
8.
3.
Solve the compound inequality
−2 < x + 3 ≤ 4 and graph the solution.
________________________________________
4.
What is the solution for 7 +
2x
= 13?
5
________________________________________
6.
b) What is the value of the function
when x = -3?
The scale on a map of Texas shows that
1 inch represents 20 miles. The actual
distance from Austin to Dallas is 195
miles. On the map, how many inches
apart are the two cities?
________________________________________
5.
a) Graph the function y = x2 - 5
Solve 14 =
4y − 6 x
for y.
3
________________________________________
____________________________________
9.
A sequence has the explicit rule
f(n) = 4 – 3n. Find the first three terms of
the sequence.
________________________________________
Name ________________________________________ Date __________________ Class __________________
IM 1 Practice Midterm
1. Which is the most precise measurement?
A 88 cm
7.
C 90.01
- cm
20,26
____________________________________
D 92.6 cm
b) Write a recursive rule for the
sequence.
Okamura’s garden has a perimeter of
450
D m. How many significant digits does
the perimeter have?
2
Tai wrote the sequence -4, 2, 8, 14
a) Find the next two terms in the
sequence.
B 90 cm
2.
* EH
significant digits
,flh)=flht)t6
fc D= -4
____________________________________
________________________________________
3.
8.
a) Graph the function y = x2 - 5
:#
-7-711=15
Solve the compound inequality
−2 < x + 3 ≤ 4 and graph the solution.
±÷÷
.
•
o
•
•
J<X€
________________________________________
4.
5.
The scale on a map of Texas shows that
1 inch represents 20 miles. The actual
distance from Austin to Dallas is 195
miles. On the map, how many inches
apart are the two cities?
⇐ ;¥s
9.75in
________________________________________
2 x Effigy
What is the solution for 7 +
5
= 13?
s.EE
.s
________________________________________
6.
b) What is the value of the function
when x = -3?
Solve 14 =
4y − 6 x
Bfor y.
3
×3-
42=4y
-
z¥¥L
6×
6Itfh=yy#y=3*¥
________________________________________
Y=4rC⇒yj
____________________________________
9.
A sequence has the explicit rule
f(n) = 4 – 3n. Find the first three terms of
the sequence.
-2,5
)=4 -34 )=4 -3=1
1
________________________________________
,
fll
f12)=Y→(z)=4
fts )=4 -313=4
-6=-2
-9=-5
10. Which graph below would NOT be
discreet?
15. Van’s Deli sells hot dogs for $2 and
hamburgers for $5. His daily sales goal is
$200.
A) amount of cars passing by in an hour
B) number of students who ate lunch
00,100 )
C) amount of rainfall
- over 24 hours
D) points scored by Lebron James over
the season
11. Sketch a graph to match Pablo’s
situation: He rode his bike to school,
attended classes, walked to his friends
house which is on his way home, played
video games for an hour, and then got a
ride home.
¥←@(yoP
)
a) Find the slope of the line.
"
%t%
m=-%
____________________________________
MfI¥F¥ooT
✓
b) Find the x-intercept, and explain what
it represents in the context.
____________________________________
) Yfhemsenhstsnuhlfahoggbmo
40,0
c) Find and interpret the y-intercept.
Van
hotdogs
100
sell
must
(____________________________________
0,100) if he sells
hamburgers
no
12. Mr. Smith needs to hire a web designer
to create his company website. Designer
sootlooxteootsox
A is offering her service for an initial fee
-500
-500
$500 and $100 per hour. Designer B
Foxton of
is offering her service for an initial fee of
$600 and $50 per hour. When will the
-50×-50×50×100
two designers charge the same amount
F of money?
st
2
hours
________________________________________
II3EE# 2x – 3y = 24
-2*245-430×-8
¥35
13. What is the slope of the line with equation
M=%
________________________________________
14. Write an equation in standard form that
describes
a line containing the points
X
Xzyz
y ,
(−5, 2) and (1, 5).
,
,s÷⇒=E=±
________________________________________
×+2y=9arx-2y= -9
-
y
'
'Ex+E
s=±×÷¥×E×
t.si#eFxtFE)
y
s
-
y
.
.
.
tux
.
,)
d) Write an equation for the line in
standard form.
y=
-42×+100
+5/2*512
2*+3
5×+25-200
____________________________________
16. Graph the inequality 2x − y ≤ 4 .
-
ix
-
¥2
zx
xt4
F
⇒
yzzx
top
.
-4
)
07-0-4
024 V
17. Which of these shows 2x = 4y + 12 in
standard form?
jeez
A) 4y – 2x = 12
B) x - 2y = 6
C) y = ½ x – 3
22. The frequency table below shows the age
and gender of the students at Harbor
High School. There are a total of
572 students at the high school.
Gender
D) 2x - 4y = 12
18. Which of these shows y = 2x + 1 in pointslope form?
'¥I¥¥
€
A)
y − 2x = 1
B)
y − 3 = 2 x −1
(
)
C) 2x − y = −1
D) y = x +
1
2
5724
5)
a) Complete the frequency table.
Age
13−14
15−16
17−18
19−20
Total
Male
Female
82
108
'
63
190
02%187
161
11
23
258
314
34
b) How many 15−16 year old students
attend Harbor High?
187
______________________________
121×0.25
31×2
19. Taran collected surveys from 540 people
about their preferred pet. Of those people
312 of the people surveyed were under
18 years old. The conditional frequency
that a person surveyed prefers dogs
given that he or she is under 18 years old
is 0.25. How many people under 18
preferred dogs?
.FI#ag78peoPk
________________________________________
20. Max’s data set has a normal distribution.
What percent of the data points are
between the mean and two standard
deviations above the mean?
c) How many female students are 17
or older?
______________________________
23. Data set A has a correlation coefficient of
-0.43, and data set B has a correlation
coefficient of 0.81. Choose True or False
for each statement.
A) The variables from set A have a low
negative correlation.
True
False
B) The variables from set A have a
strong negative correlation.
•¥
•#¥by%+Fsjs%
________________________________________
21. What is the third term of the sequence
defined by the recursive rule f (1) = 3,
f(n) = 2 f(n-1) – 2
-2=40
fb)=6
________________________________________
2(49-2=82=T
ftp.?0zP3g.z=6
fl 3)
-
.
True
False
C) The variables from set B have a
strong positive correlation.
True
False
D) Which data set looks more linear?
B
_______________________________
Dataset
24. The data set below represent the scores
on Mr. A’s science test.
98, 92, 88, 64, 76, 84, 76, 90, 88, 92, 72, 88
84
median _____
88
34
range ______
a) Find the: mean_______
mode_______
88
b) Make a box plot below and find the
interquartile range:
8891
the
64
qg
•
•
to
15
IQR = _______
80
90
79.5
c) Find the standard deviation _____
!
98
qz
88
¥
!−!
qz
!−!
196
64
16
98-84-14
9292-84=8
+161080
-8418
90-84=6
88-84=4
489
72-84=-12
76-84=-8
88-84=4
84-84=0
88-84=4
¥EF¥±8
84
76
90
88
0
64
88
10,821=905
36
16
64
72
!
144
Of
9.5
***Look at your lesson performance tasks
for lessons: 8.1, 9.1, 9.3, and 9.4.***