Assignment 20 Point Slope Form Page 2
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1
2��
−��
��
��
�� =
Slope Formula:
��
−��
��
��
Directions for 17-20: Write the equation in Point-Slope Form for the line that passes through the
= �� ( �� − ��
)
Point-Slope Form: �� − ��
given points (you will need to find the slope first).
��
��
17. Through: ( 2, 1 ) ������ ( 5, 7 )
18. Through: ( 4, 2 ) ������ ( −2, 0 )
19. Through: ( −3, −5 ) ������ ( 1, −4 )
20. Through: ( 5, −1 ) ������ ( 7, −9 )
Directions for 21-24: Write the equation in Slope-Intercept Form for the line that passes through the
Slope-Intercept Form: �� = ���� + ��
given points (you will need to find the slope first).
21. Through: ( 2, 1 ) ������ ( 5, 7 )
22. Through: ( −2, −3 ) ������ ( 6, 1 )
23. Through: ( 4, −5 ) ������ ( 3, −2 )
24. Through: ( 6, 4 ) ������ ( 0, 2 )
Directions for 25-28: Write the equation in Standard Form for the line that passes through the given
points (you will need to find the slope first). Standard Form: ���� + ���� = ��
[same points as 21-24]
25. Through: ( 2, 1 ) ������ ( 5, 7 )
26. Through: ( −2, −3 ) ������ ( 6, 1 )
27. Through: ( 4, −5 ) ������ ( 3, −2 )
28. Through: ( 6, 4 ) ������ ( 0, 2 )
Directions for 29: Write the equation for the line represented in the table below in Point-Slope Form.
= �� ( �� − ��
)
Point-Slope Form: �� − ��
Use the last point in the table.
��
��
X
Y
–4
5
0
2
4
–1
Directions for 30: Identify the slope for each linear equation below.
30b. �� − 7 = 3 ( �� − 2 )
30a. �� = −4�� + 9
30c. 2�� + 3�� = 6
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