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9Geom_SAT_AlgebraReview_DataAnalysis_Prob Flashcards | StudBud
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9Geom_SAT_AlgebraReview_DataAnalysis_Prob
9Geom_SAT_AlgebraReview_DataAnalysis_Prob
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#grade9 #math #algebra #data #analysis #probability #SAT #ACT
Flashcards
34 cards
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Practice quiz
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Questions
34
Answers
1
Identify the population for data analysis.
People in the area who are potential customers
People who have eaten at the restaurant
Restaurant managers who have expertise in serving diners
Waiting staff who have served the diners
2
Use the box-and-whisker plot. About what percent of the data are less than 15?
75%
25%
50%
100%
3
If 5
x
+6=10, what is the value of 10
x
+3?
20
4
9
11
4
What is the median number of siblings for all the students surveyed?
0
1
2
3
5
If
h
hours and 30 minutes is equal to 450 minutes, what is the value of
h
?
7
6
4
9
6
Use the two-way table to find how many 4 bedroom houses are for sale.
75
122
232
106
7
Which solves the problem?
279.5
27.7
14
73
8
Which best answers the question?
Where the survey was given
Population size
The number of people who refused to respond
Sample size
9
Which of the following is true about the slope of the graph of
f
?
It is positive.
It is negative.
It is undefined.
It equals zero.
10
Write the point-slope linear equation of the line.
y = −6(x + 2)
y = 6(x − 2)
y = 1/6 (x + 2)
y = −1/6 (x − 2)
11
If 16 + 4
x
is 10 more than 14, what is the value of 8
x
?
16
6
80
2
12
Use the 2-way table to answer the question.
25/200
7/25
7/200
18/25
13
If
k
> 0 and
x
= 7 in the equation, what is the value of
k
?
3
2
5
4
14
Which solves for the minor arc of the problem?
48
16
32
24
15
Use the histogram to answer the question.
4
7
5
6
16
Use the box-and-whisker plot. About what percent of the data are greater than 11?
75%
25%
100%
50%
17
Which best answers the word problem?
450
400
350
300
18
In the
xy
-plane, line
l
is parallel to line
k
. What is the value of
p
?
5
8
10
4
19
Which of the following is an equation of the line that passes through points
B
and
D
?
y = –3x – 1
y = –3(x – 1)
y = –1/3x + 4
y = –1/3x – 1
20
According to the graph, the players sold in 2008 is what fraction of the number sold in 2011?
1/2
3/8
5/8
3/4
21
If
y
=
kx
, where
k
is a constant, and
y
=24 when
x
=6, what is the value of
y
when
x
=5?
4
24
20
16
22
Answer the word problem.
Kathy repairs phones at a rate of 108 per day.
Kathy starts each week with 108 phones to fix.
Kathy repairs phones at a rate of 108 per hour.
Kathy will complete the repairs within 108 days.
23
Which is the slope for the line passing thru
B
and
D
?
1/3
3
−1/3
−3
24
Classify the sampling method.
Self-selected sample
Systematic sample
Random sample
Convenience sample
25
Which of the following is an equation of the line that passes through points
A
and
C
?
y = –1/3(x − 1)
y = 3(x − 1)
y = 1/3(x − 1)
y = –3(x − 1)
26
Find the slope of the line?
1/2
2
−1/2
−2
27
Which best answers the question?
2008
2003
2000
1997
28
Find the best answer for the word problem.
18
1/18
1/15
15
29
Find the answer to the problem.
(0, 7)
(7, 7)
(14, 2)
(1, 7)
30
Which is the point-slope form of the linear equation for the graph of the line?
y + 2 = 5/4 (x − 3)
y − 2 = −4/5 (x + 3)
y + 2 = 4/5 (x − 3)
y − 2 = −5/4 (x + 3)
31
Use the back-to-back stem-and-leaf plot to determine the median of data set
A.
41
34
32
33
32
Which expression solves the problem?
21 − 1.5
21/1.5
21 + 1.5
(21)(1.5)
33
Which is the best answer?
5
8
–1
9
34
Which is the slope for the line passing thru
A
and
C
?
1/3
3
−3
−1/3
