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Retake: 5.1 Slope of a Line
供稿人: Jarvie
(原作者: Crouch)

Remember:  Zero cannot be in a fraction!

0

7

0
7
  m=
= 0; look at it this way:  m=

slope has zero rise, but & lots of

 

run, so the slope = 0.

rise
run

, so this

slope has 7 rise, but zero run, so

 

the slope is UNDEFINED

rise
run

, so this

Find the slope of the line.
m =
Find the slope of the line.
m =
Find the slope of the line.
m =
Find the slope of the line.
m =
Find the slope of the line through the 2 given points.

  -2/5

(4,7)  and (-1, 5)

  2/5

  5/2

  -5/2

Find the slope of the line through the 2 given points.
(0,2)  and (1, 5)
m=
Find the slope of the line through the 2 given points.
(-2, 5)  and (1, 5)
m=
Find the slope of the line through the 2 given points.
(8,-4)  and (-8, -2)

-8

-1/8

1/8

undefined

Find the slope of the line through the 2 given points.
(-2, 1)  and (1, -5)

1/2

2

0

-2
Find the slope of the line through the 2 given points.
(4, 7)  and (0, 7)
m=
Find the slope of the line through the 2 given points.
(2, 4)  and (5, 2)

-2

-2/3

-3/2

undefined

Find the slope of the line through the 2 given points.

  undefined

 7/6

(3,2)  and (3,9)

  zero slope

 7/0

Find the slope of the line through the 2 given points.

  -4/6

  6/-4

(6,2)  and (1, 2)

  zero slope

 undefined

Find the slope of the line through the 2 given points.
(9, 2)  and (12, 8)
m=
Find the slope of the line through the 2 given points.

1/2

2

(4, -2)  and (6, 2)

 undefined

 zero

Find the slope of the line through the 2 given points.
(-3, 2)  and (7, -3)

1/10

-1/4

1/4

-1/2
Find the slope of the line through the 2 given points.
(-3, 7)  and (-1, 1)
m =
Find the slope of the line through the 2 given points.
(2, 6)  and (3, -3)

-3

-9

3

9

Find the slope of the line through the 2 given points.
(1,1)  and (7, 2)
m=
Is the slope of the line 1/6?
(type yes or no)
Is the slope of the line 3?
(type yes or no)
Is the slope of the line 1/2 ?
(type yes or no)
Is the slope of the line  -7 ?
(type yes or no)
(reduce your answer if possible)

What is the slope of the line?

What is the slope of the line?

m=

What is the slope of the line?

m=
Simplify 

5

0

undefined

already simplified

5
0
Simplify 

-7

1

7

-7

undefined

already simplified

-6

0

undefined

already simplified

Simplify 

-6

0

Simplify 

-1

-1

-1

1

0

undefined

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