Lesson 15.2 Line of Best Fit & Predictions Determine the pair of points through which it appears a best-fitting line (a line that lies closest to all points) would pass through for the scatter plot. Select the best choice. Then using the correct points, write the equation of the line passing through the points. Find the indicated predicted value using the equation. 16. 10 -9- 8 7 6 5 4 2 2 A) (1, 3) and (6, 7) C) (5, 5) and (9,8) 3 4 5 6 P B) (2, 2) and (6, 7) D) (2, 2) and (8, 6) 17. Write the equation of the line for the above scatter plot. A) y = 0.75x + 8.25 B) y = 0.75x + 1.25 C) y = 1.25x -0.5 D) y = 1.25x + 4.5 A) 3.25 D) 3.5 AC) 12.75 8 9 Choices for 18-19: 18. Using the equation of the best-fitting line, find the predicted value whenx=3. L 19. Using the equation of the best-fitting line, find the predicted value when x = 15. 10 B) 12 E) 11.5 AD) 4 apass C) 4.25 AB) 10.25 AE) 12.5

Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter3: Multi-step Equations And Inequalities
Section: Chapter Questions
Problem 12CP
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Related questions
Question
16,17,18,19
Lesson 15.2 Line of Best Fit & Predictions
Determine the pair of points through which it appears a best-fitting line (a line that lies
closest to all points) would pass through for the scatter plot. Select the best choice. Then
using the correct points, write the equation of the line passing through the points. Find the
indicated predicted value using the equation.
16.
10
9
8
7
6
5
3
2
1
y
1
2
A) (1, 3) and (6, 7)
C) (5, 5) and (9,8)
3
4
5
6
7
B) (2, 2) and (6, 7)
D) (2, 2) and (8, 6)
17. Write the equation of the line for the above scatter plot.
A) y = 0.75x + 8.25
B) y = 0.75x + 1.25
C) y = 1.25x -0.5
D) y = 1.25x + 4.5
A) 3.25
D) 3.5
AC) 12.75
8 9
Choices for 18-19:
buce
18. Using the equation of the best-fitting line, find the predicted value when x = 3. US
19. Using the equation of the best-fitting line, find the predicted value when x = 15.
10
B) 12
E) 11.5
AD) 4
past
C) 4.25
AB) 10.25
AE) 12.5
Transcribed Image Text:Lesson 15.2 Line of Best Fit & Predictions Determine the pair of points through which it appears a best-fitting line (a line that lies closest to all points) would pass through for the scatter plot. Select the best choice. Then using the correct points, write the equation of the line passing through the points. Find the indicated predicted value using the equation. 16. 10 9 8 7 6 5 3 2 1 y 1 2 A) (1, 3) and (6, 7) C) (5, 5) and (9,8) 3 4 5 6 7 B) (2, 2) and (6, 7) D) (2, 2) and (8, 6) 17. Write the equation of the line for the above scatter plot. A) y = 0.75x + 8.25 B) y = 0.75x + 1.25 C) y = 1.25x -0.5 D) y = 1.25x + 4.5 A) 3.25 D) 3.5 AC) 12.75 8 9 Choices for 18-19: buce 18. Using the equation of the best-fitting line, find the predicted value when x = 3. US 19. Using the equation of the best-fitting line, find the predicted value when x = 15. 10 B) 12 E) 11.5 AD) 4 past C) 4.25 AB) 10.25 AE) 12.5
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