Math Ms. Sue please

4.
The data in the table are linear. Use the table to find the slope.

TABLE:

x: 2 4 6 8
y: 1 -2 -5 -8

3/2
-3/2
-2/3
2/3

7.
Find the slope of a line that is parallel to the line containing the points (3, 4) and (2, 6). (1 point)

m = 1
m = 2
m = –2
m = 1/2

8.
Find the slope of a line that is perpendicular to the line containing the points (–2, –1) and (2, –3). (1 point)

m = –2
m = 2
m = -1/2
m = –1

My answers:
4. -2/3
7. m = –2
8. m = –1

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  1. oh okay.......uhg i am so bad at these!

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  2. #4. Note that as x increases by 2, y decreases by 3
    Since slope is (y-change)/x-change,
    slope = -3/2

    #7. Change in y: 2
    change in x: -1
    slope: -2

    #8: slopes of perpendicular lines are negative reciprocals.

    slope of line with points: -1/2
    slope of ┴: 2

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  3. finally someone who doesent cus out miss sue

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