What is the symbol for slope?
m
if m is a slope.
(x₁ , y₁) ← What do you call this one?
A Point
Given this point, ( -3 , 4 ). What is the y₁ ?
4
Arrange this Phrase.
infding het equaiton fo a nile
CLUE: This is our topic
finding the equation of a line
(3, -4) and (4, 1)
3 is x₁
-4 is y₁
4 is x₂
1 is ____ .
y₂
TRUE OR FALSE :
We the formula in finding the slope is
m = (y₂ - y₁) / (x₂ - x₁)
TRUE
Given these points ( -3, 2 ) and ( 1, 4 )
What is our x₂ ?
x₂ = 1
Given these points ( 0, 2 ) and ( 8, 4 )
What is our y₁ ?
y₁ = 2
RECAP:
What formula will be use if the slope and a point is given?
Point - Slope Form
RECAP:
What formula will be use if the Slope and y-intercept is given?
Slope - Intercept Form
Given these points:
( -1, 2 ) and ( 3, -2 )
What is the Slope ?
m=-1
Given these points:
( 4, 2 ) and ( 2, -1 )
What is the Slope?
m= 3/2
Given these points:
( 1, 0 ) and ( 2, 3)
What is the slope?
m= 3
Given these Points:
( 0, 1 ) and ( -1, 2 )
What is the Slope?
m=-1
RECAP:
We can use the Slope - Intercept formula if the following are given, what are these?
Slope and y-intercept