Slope-Point Form Of The Equation For A Linear Function Worksheet - Lesson 4 Page 3

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b) Use the equation to determine the temperature in degrees Celsius at which iron
o
melts, 2795
F.
Example 5: Write an equation for the line that passes through R(1, -1) and is,
2
a) parallel to the line �� =
�� − 5
3
2
b) perpendicular to the line �� =
�� − 5
3
3
Example 6: Which of the following equations is equivalent to �� − 3 = −
(�� + 7)?
4
3
33
3
9
a) �� =
�� +
b) �� = −
�� −
4
4
4
4
3
33
3
18
c) �� = −
�� −
d) �� = −
�� −
4
4
4
4
Example 7: A line passes through the points A(7, 5) and B(6, 1). Determine the
equation of the line in two different forms.
Practice Questions: Page 372 # 4 – 7(a, c’s), 8 – 10, 11(a, b), 12, 14, 18-20, 23(*)

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