Algebra 1 help
posted by 9thgradestudent
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 ***

Damon
(45)/(1+2) = 1/3 yes
(1813)/(811) = 5/3 yes
(1y)/(106) = 1/4
1y = 1
y = 0 Huh? typo?
(32)/0 = undefined 
Christine
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 
Lynn
Christine is correct! I was struggling for the answer on question 2. Thank you!

abby
2017 still right...wish someone could explain but oh well

dd
dd
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