Algebra 1 help

Can someone tell me if my answers are right and explain how you got each one thank you very much !

1. What is the slope of the line that passes through the points (-2, 5) and (1, 4)?

A. -3
B. -2
C. -1/3 **
D. 1/3

2. A line has a slope -5/3. Through which two points could this line pass?
A. (12, 13) and (17, 10)
B. (16, 15) and (13, 10)
C. (0, 7) and (3, 10)
D. (11, 13) and (8, 18) ***

3. The pair of points (6,y) and (10,1) lies on a line with the slope 1/4. What is the value of y?
A. -5
B. -2 **
C. 2
D. 5

4. What is the slope of the line that passes through the points (4, 2) and (4, -3)?
A. -1
B. 0
C. 1
D. Undefined ***

asked by 9thgradestudent
  1. (4-5)/(1+2) = -1/3 yes

    (18-13)/(8-11) = -5/3 yes

    (1-y)/(10-6) = 1/4
    1-y = 1
    y = 0 Huh? typo?

    (-3-2)/0 = undefined

    posted by Damon
  2. Not sure if you still need help with this...

    but here are the correct answers:
    1)C
    2)D
    3)B
    4)D
    5)D

    posted by Christine
  3. Christine is correct! I was struggling for the answer on question 2. Thank you!

    posted by Lynn
  4. 2017 still right...wish someone could explain but oh well

    posted by abby
  5. dd

    posted by dd

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