Find the slope of the line that passes through the two given points, and determine if the line is a function. 1. O (7.5) and (10, -1) 2. (3. -2) end (3, 4) 3. (-2, 8) and (8, 6) (7,9) and (11, 9)

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ChapterP: Prerequisites: Fundamental Concepts Of Algebra
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Son needs help in Algebra class. Please assist with the attached files. 

Slope - Day 5
Name
Notes
Date
Period
In some cases, it is not always easy to find the y-intercept on the graph of a line. In previous
lessons, you were able to identify the y-intercept by looking at a graph or table of a linear
relationship. Today, you will learn a way to identify the y-intercept by using another method. In
order to find the y-intercept of a line, you must know the slope of the line.
verticalchange
Ay
A x
Slope is
horti zontalchange
Given the coordinates of two points you can aiso find the slope with the slope formula:
Ay. Y: -Y
(x:, y:) and (x2 y2) the slope is:
AX
X, - X
Find the slope of the line that passes through the two given points, and determine if the line is a
function.
(7, 5) and (10, -1)
2.
(3, -2) and (3, 4)
3.
(-2,8) and (8, 6)
4.
(7, 9) and (11, 9)
The foliowing formulas can be used to find the equation of a line.
Slope Intercept Form
Point - Slope Formula
y = mx + b or y = b+ mx
y- y = m(x - x)
Find the equation of a line given a slope and a point on the line or given two points on the line.
Slope of the line is 2 and it passes through the point (4 , 6).
Transcribed Image Text:Slope - Day 5 Name Notes Date Period In some cases, it is not always easy to find the y-intercept on the graph of a line. In previous lessons, you were able to identify the y-intercept by looking at a graph or table of a linear relationship. Today, you will learn a way to identify the y-intercept by using another method. In order to find the y-intercept of a line, you must know the slope of the line. verticalchange Ay A x Slope is horti zontalchange Given the coordinates of two points you can aiso find the slope with the slope formula: Ay. Y: -Y (x:, y:) and (x2 y2) the slope is: AX X, - X Find the slope of the line that passes through the two given points, and determine if the line is a function. (7, 5) and (10, -1) 2. (3, -2) and (3, 4) 3. (-2,8) and (8, 6) 4. (7, 9) and (11, 9) The foliowing formulas can be used to find the equation of a line. Slope Intercept Form Point - Slope Formula y = mx + b or y = b+ mx y- y = m(x - x) Find the equation of a line given a slope and a point on the line or given two points on the line. Slope of the line is 2 and it passes through the point (4 , 6).
Slope - Day 5
Name
Notes
Date
Period
6
Slope of the line is and it passes through the point (-2 , 3).
7.
The line passes through the points (3 , 5) and (4 , 1).
8.
The line passes through the points (-3 , -6) and (-12 , -6).
At noon, the temperature in Way Too Cold USA was 12 F. For the next 24 hours, the
temperature fell by an average of 3 F per hour.
Write an equation for the temperature, T, n hours after noon.
10.
What is the y-intercept of the equation? What does the y-intercept tell you about the
situation?
11.
What is the slope of the equation? What does the slope tell you about this situation?
12.
What was the temperature at 7 p.m. in Way Too Cold?
Transcribed Image Text:Slope - Day 5 Name Notes Date Period 6 Slope of the line is and it passes through the point (-2 , 3). 7. The line passes through the points (3 , 5) and (4 , 1). 8. The line passes through the points (-3 , -6) and (-12 , -6). At noon, the temperature in Way Too Cold USA was 12 F. For the next 24 hours, the temperature fell by an average of 3 F per hour. Write an equation for the temperature, T, n hours after noon. 10. What is the y-intercept of the equation? What does the y-intercept tell you about the situation? 11. What is the slope of the equation? What does the slope tell you about this situation? 12. What was the temperature at 7 p.m. in Way Too Cold?
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