SWBAT: Write the equation of a line given two points on the line
Lesson 7-2
Do Now:
1) W rite the equation of the line in slope-intercept form.
a)
1
Slope =
2​
c)
b)
y-intercept = -4
Slope = -3
a point on the line (3, -5)
d)
1
SWBAT: Write the equation of a line given two points on the line
Lesson 7-2
In order to write the equation of a line
(y = mx + b), we must ALWAYS have:
Writing Equations of lines in slope-intercept form given two points on a line.
1) W rite the equation of the line in slope-intercept form that passes through (-1, 3) and
(1, -1).
Option 1
Option 2
2
SWBAT: Write the equation of a line given two points on the line
Lesson 7-2
2) W rite the equation of the line in slope-intercept w ith the given information.
f(0) = 10 and f(6) = 34
Option 1
Option 2
YOU TRY!!
3) W rite the equation of the line in slopeintercept form containing the points
(4, 12) and (20, -4).
4) W rite the equation of the line in slopeintercept w ith the given information.
f(0) = -4 and f(3) = 8
3
SWBAT: Write the equation of a line given two points on the line
Lesson 7-2
5) Writing Equations from given information in a table.
a) W hat type of function is represented in the table?
b) W rite the equation for the function.
x
1
2
3
4
5
y
-5
-3
-1
1
3
Option 1
Option 2
6) Writing Equations from given information in a table.
Option 1
Option 2
4
SWBAT: Write the equation of a line given two points on the line
Lesson 7-2
YOU TRY!!
7)
x
y
-1
4
1
8
3
12
5
16
 W hat type of function is represented from the table?
 W rite the equation for the function.
5
SWBAT: Write the equation of a line given two points on the line
Lesson 7-2
LESSON PRACTICE
6