1. MS Algebra A-S-ID-7 – Ch. 5.5a Find Slope Given Two Points
ALGEBRA SUPPORT Day 2 of 2
Find Slope and Rate of Change

2. SUPPORT Class Learning Target
Title: 5.5a Find Slope Given Two Points Day 2 of 2
Date:
SUPPORT Class Learning Target
By the end of the period, I will find the slope of various linear equations and graphs when given two points.
I will demonstrate this by completing Four-Square Notes and by solving problems in a pair/group activity.
Teacher Note: Graph paper helpful for this lesson.

3. Home Work 1-2-3: 1) Class 4-Square Notes Put In Binder?
2) Section 5.5 Pg ) Section ______
TxtBk. Prob.#6 – 18 Even Notes Copied on blank sheet Solved and Put in Binder? of paper in Binder?
Table of Contents
Date Description Date Due

4. m= = = (2, 4) and (6, 2) - - x y Find a slope of a given line HW # 6
STEP 1)
You need two (2) points to find the slope:
(2, 4) and (6, 2)
(2, 4)
STEP 2)
Make a table of points
(6, 2) x y
STEP 3)
Find the difference
Find the difference
STEP 4)
Make a fraction with the values from STEP 3. - - m= = =
 denominator
 numerator

5. HW # 8
Find the slope of the line that passes through the points.
STEP 1)
You need two (2) points to find the slope:
(-2, -1) and (4, 5)
STEP 2)
Make a table of points x y
STEP 3)
Find the difference
Find the difference
STEP 4)
Make a fraction with the values from STEP 3. - - m= = =
 denominator
 numerator

6. HW # 10
Find the slope of the line that passes through the points.
STEP 1)
You need two (2) points to find the slope:
(5, -3) and (-5, -3)
STEP 2)
Make a table of points x y
STEP 3)
Find the difference
Find the difference
STEP 4)
Make a fraction with the values from STEP 3. - - m= = =
 denominator
 numerator

7. HW # 12
Find the slope of the line that passes through the points.
STEP 1)
You need two (2) points to find the slope:
(-3, 4) and (4, 1)
STEP 2)
Make a table of points x y
STEP 3)
Find the difference
Find the difference
STEP 4)
Make a fraction with the values from STEP 3. - - m= = =
 denominator
 numerator

8. HW # 14
Find the slope of the line that passes through the points.
STEP 1)
You need two (2) points to find the slope:
(0, 0) and (0, -6)
STEP 2)
Make a table of points x y
STEP 3)
Find the difference
Find the difference
STEP 4)
Make a fraction with the values from STEP 3. - - m= = =
 denominator
 numerator

9. Storm Check (Think, Write, Discuss, Report)
What are the four types of slope?
The four types of slope are:
___________________ 2) ________________
3) _________________ 4) ________________

10. Storm Check (Think, Write, Discuss, Report)
What are the four types of slope?
The four types of slope are:
Positive ) Negative
3) Zero (horizontal) ) Undefined (vertical)

11. HW # 16
Find the slope of the line that passes through the points.
STEP 1)
You need two (2) points to find the slope:
(-10, -2) and (-8, 8)
STEP 2)
Make a table of points x y
Choose an appropriate scale for your graph!
STEP 3)
Find the difference
Find the difference
STEP 4)
Make a fraction with the values from STEP 3. - - m= = =
 denominator
 numerator

12. m= = = (7, -9) and (-13, -6) - - x y What is the slope?
HW # 18
What is the slope?
A) -3/20 B) 3/20 C) 3/4 D) 5/2
STEP 1)
You need two (2) points to find the slope:
(7, -9) and (-13, -6)
STEP 2)
Make a table of points x y
Choose an appropriate scale for your graph!
STEP 3)
Find the difference
Find the difference
STEP 4)
Make a fraction with the values from STEP 3. - - m= = =
 denominator
 numerator

13. Vocabulary – Rate of Change
Slope
Rise
Run
Slope-Intercept Form
Point-Slope Form

14. Vocabulary Acquisition
Friendly Definition
Sketch
Wordwork
Sentence
DAY 2
1. Review word
Friendly Definition
Physical Representation
2. Draw a sketch
DAY 1
Use Visuals
Introduce the word
Friendly Definition
Physical Representation
Use Cognates
Write friendly definition
Word List
Vocabulary Acquisition
DAY 3 and/or DAY 4
1. Review the word
Friendly Definition
Physical Representation
2. Show how the word works
Synonyms/antonym
Word Problems
Related words/phrases
Example/non-example
DAY 5
1. Review the word
Friendly definition
Physical Representation
3. Write a sentence
at least 2 rich words (1 action)
correct spelling
correct punctuation
correct subject/predicate agreement
clear and clean writing

15. SUPPORT Class Learning Target
Title: 5.5a Find Slope Given Two Points Day 2 of 2
Date:
SUPPORT Class Learning Target
By the end of the period, I will find the slope of various linear equations and graphs when given two points.
I will demonstrate this by completing Four-Square Notes and by solving problems in a pair/group activity.
Teacher Note: Graph paper helpful for this lesson.

16. y = mx + b Finding SLOPE of a Linear Equation m = - x1 - y1 y2 – y1
Notes:
Finding SLOPE of a Linear Equation
y = mx + b
m = slope = rise/run = change in y / change in x
b = y-intercept = where graph crosses y-axis
x = independent variable, y = dependent variable
STEP 1)
You need two (2) points to find the slope:
(x1, y1) and (x2, y2)
STEP 2)
Make a table of points x y x2 y2 x1 y1
STEP 3)
Find the difference
Find the difference
STEP 4)
Make a fraction with the values from STEP 3. x2
- x1 y2
- y1
y2 – y1
x2 – x1
m =
 denominator
 numerator

17. y = mx + b 3 m = 1 Finding SLOPE of a Linear Equation = 1 = 3 2 5 1
Example:
Finding SLOPE of a Linear Equation
y = mx + b
m = slope = rise/run = change in y / change in x
b = y-intercept = where graph crosses y-axis
x = independent variable, y = dependent variable
STEP 1)
You need two (2) points to find the slope:
(1, 2) and (2, 5)
STEP 2)
Make a table of points x y 2 5 1
STEP 3)
Find the difference
Find the difference
STEP 4)
Make a fraction with the values from STEP 3. 2
- 1 5
- 2 3 1
m =
= 1
= 3
 denominator
 numerator

18. Storm Check (Think, Write, Discuss, Report)
How do you find the slope for a given linear equation? (3 or 4 sentences)
To find the slope for a given linear equation, I
have to ________________________________
___________________________________________
__________________________________________.