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