15) The scatterplot shows the relationship between two variables. 14 12 10 8. 10 15 20 Which linear correlation coefficient most closely matches the scatterpiot? A. -0.9 C. 0.1 8. -0.1 D. 0.9 5. 542

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter4: Equations Of Linear Functions
Section4.5: Correlation And Causation
Problem 24PFA
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15)
The scatterplot shows the relationship between two variables.
14
12
10
6.
4
2.
10
15
20
Which linear correlation coefficient most closely matches the scatterplot?
A. -0.9
C. 0.1
B. -0.1
D. 0.9
16
A quadratic function is given as fx) x + Bx + 6.
Rewrite the glven function in an equivalent form that would reveal the vertex of
the function.
A) y = (x-4) – 10
C) y = (x + 4) + 22
3) y = (x+4): – 10
D) y = (x +8)2 - 10
17)
The dot plot shows the number of attempts to pass the first level of a
video game by a sample of people.
5.
Which set of data is represented by the dot plot?
A.
(3, 4, 2, 4, 3, 5, 2, 6, 3, 1, 6, 6)
(3, 3, 3, 4, 3, 6, 2, 5, 5, 1, 6, 6)
B.
C.
(1, 1, 2, 3, 3, 3, 4, 4, 5, 6, 6, 6)
(4, 3, 5, 1, 4, 6, 2, 6, 3, 2, 6, 6)
D.
18)
2.
3
3.
12
24
Which function correctly represents the data in the table?
A) y = 2(3)*
c) y = 3x +2
B) y = 3(4)*
DI y = 3(2)*
19
The population of Huntsville in 2010 was 87,000. The population grows by 396
each year
Which type of function can represent the population of Huntsville t years after
2010?
A. cubic
8. exponentia
C. linear
D. quadratic
20)
Select the expression equivalent to (-4x +3) - (-2x + 5).
A) -2x
B) -2x -2 c) -6x - 2 D) -6x -8
Transcribed Image Text:15) The scatterplot shows the relationship between two variables. 14 12 10 6. 4 2. 10 15 20 Which linear correlation coefficient most closely matches the scatterplot? A. -0.9 C. 0.1 B. -0.1 D. 0.9 16 A quadratic function is given as fx) x + Bx + 6. Rewrite the glven function in an equivalent form that would reveal the vertex of the function. A) y = (x-4) – 10 C) y = (x + 4) + 22 3) y = (x+4): – 10 D) y = (x +8)2 - 10 17) The dot plot shows the number of attempts to pass the first level of a video game by a sample of people. 5. Which set of data is represented by the dot plot? A. (3, 4, 2, 4, 3, 5, 2, 6, 3, 1, 6, 6) (3, 3, 3, 4, 3, 6, 2, 5, 5, 1, 6, 6) B. C. (1, 1, 2, 3, 3, 3, 4, 4, 5, 6, 6, 6) (4, 3, 5, 1, 4, 6, 2, 6, 3, 2, 6, 6) D. 18) 2. 3 3. 12 24 Which function correctly represents the data in the table? A) y = 2(3)* c) y = 3x +2 B) y = 3(4)* DI y = 3(2)* 19 The population of Huntsville in 2010 was 87,000. The population grows by 396 each year Which type of function can represent the population of Huntsville t years after 2010? A. cubic 8. exponentia C. linear D. quadratic 20) Select the expression equivalent to (-4x +3) - (-2x + 5). A) -2x B) -2x -2 c) -6x - 2 D) -6x -8
11
Danielle copied her homework problems from the board, but she copied one incorrectly She was
Supposed to graph + 91, but she graphed N+4 instead. How willnhe rw graphs differ?
A) Danielle's graph will be 5 units lower than the graph of y= |Jx +9
B) Danielle's graph will be 5 units higner than the graph of y = |x + 9||
C Danielle's graph will be 5 units to the left of the graph of y = |x+9|
D) Danielle's graph will be 5 units to the right of the graph of y= lr+9
12)
Tanka bonted a banquet hall fer a party The hal cherped S15 per person with a repared po S
far the asters Tanika incws that she o I was $315 wenout tax bir she Irst track of hoW many
peopie attended. She writes and sohves an equat on where prepreseres the rumber of people whio
2tended.
Sept. 315- 15p + 60
Step 2
Step 3:255 = 15
15
15
253
Shep 4:
15
Step Sip 17
Wach opera on desenbes Tarkars massng work nSen 2
A added 60 to both sides
B) mutiplied both sides by 15
C divided both sides by 15
D sUptracted 60 from botnsces
13)
The nd of sund t se leveln ey er (E p ateyS0 metes per
seand. Assume the graph oorrectly shows te ntance, d, a sund e ted
ld nase at s evel h afteritonds
C123456
Time (seconds)
Which set f numbe mteprate he latel the seven tk meks ong the
werca an (detanie
A L2346,2
IA0. 21o, 20, 30,40, 490
G 100 200, 0, 00. O 0, 0
14)
What values will make the table represent a linear funtion?
150
B00
4.
A. 450 600
C. 600. 1200
D. 600 900
B. 450 900
Transcribed Image Text:11 Danielle copied her homework problems from the board, but she copied one incorrectly She was Supposed to graph + 91, but she graphed N+4 instead. How willnhe rw graphs differ? A) Danielle's graph will be 5 units lower than the graph of y= |Jx +9 B) Danielle's graph will be 5 units higner than the graph of y = |x + 9|| C Danielle's graph will be 5 units to the left of the graph of y = |x+9| D) Danielle's graph will be 5 units to the right of the graph of y= lr+9 12) Tanka bonted a banquet hall fer a party The hal cherped S15 per person with a repared po S far the asters Tanika incws that she o I was $315 wenout tax bir she Irst track of hoW many peopie attended. She writes and sohves an equat on where prepreseres the rumber of people whio 2tended. Sept. 315- 15p + 60 Step 2 Step 3:255 = 15 15 15 253 Shep 4: 15 Step Sip 17 Wach opera on desenbes Tarkars massng work nSen 2 A added 60 to both sides B) mutiplied both sides by 15 C divided both sides by 15 D sUptracted 60 from botnsces 13) The nd of sund t se leveln ey er (E p ateyS0 metes per seand. Assume the graph oorrectly shows te ntance, d, a sund e ted ld nase at s evel h afteritonds C123456 Time (seconds) Which set f numbe mteprate he latel the seven tk meks ong the werca an (detanie A L2346,2 IA0. 21o, 20, 30,40, 490 G 100 200, 0, 00. O 0, 0 14) What values will make the table represent a linear funtion? 150 B00 4. A. 450 600 C. 600. 1200 D. 600 900 B. 450 900
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