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Lines
Contributed by: Mayberry
Find the slope of the line that contains the points
(7,2) and (4, 8)
?
-2
?
Find the slope of the line containing the points
(1,5) and (3, 8)

?
3/2
?
Find the slope of the line containing the points
(-2, 9) and (3, -1)

?
-2
Find the slope of the line containing the points
(5,7) and (5, -1)

?
0
Find the slope of the lines containing the points
(14, -9) and (-11, -4)
-1/5
Use the equation to find the slope of the line.
y = 6 - 3x
-3
?
The slope intercept form of a line is y =mx +b.
What variable represents the y-intercept?
b
?
The slope intercept form of a line is y = mx +b
What variable represents the slope of the line?
m
?
You borrow $250 from your parents to that you can
buy the iphone. You agree to pay your parents $25 a
month to repay the loan. Which equation below illustrates
the money you owe your parents, M, is a function
of time in months, t.
M= 25 - 250t
M = 250 + 25t
M=250 - 25t
M=25+250t

16)  The cost of renting a party room at the Pizza House is $65,

       plus $6 for each person who attends the party.  Which number

       sentence could be used to find n, the number of people who

       attended a party that cost $245?

D.   6n + 65 = 245

C.   n + 65 = 245

              6

A.   6n x 65 = 245
B.   6(n + 65) = 245

9)  Paula is making 7 tablecloths.  She needs 9.35 yards of fabric

     for each tablecloth.  The fabric costs $4.50 per yard.  Which

     equation can be used to find the cost of the fabric, c?

A.   C=9.35÷7x4.5
B.    C=9.35+7x4.5
C.    C=9.35x7÷4.5
D.    C=9.35x7x4.5

1.   7)  The graph of line, y = 2x + 3, is drawn on the coordinate grid

          below. Which table of ordered pais contains only points on

          the line?

A.
C.

x

y

-1

-2

3

0

5

1

7

2

x

y

-2

1

0

3

1

5

3

9

B.
D.

x

y

-2

-1

0

3

1

5

2

7

x

y

-1

-2

1

5

2

7

3

5

Which is an equation of the line with slope of -3

and a y-intercept of 5?

y = -3(x +  5)

y - 5 = 3x

 3x + y = 5

y = 5x - 3

What is the slope-intercept form of the equation

 with a slope of 5 and a y-intercept of -8?

 

y=-8x+5

y=8x-5

5x - y = -8

y = 5x -8

y=-3/7x-2/7

y=-3/7x-1/8

y=3/7x-1/8

y=3/7x-2/7

Write the equation for the graph below in

slope-intercept form.

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