The equation of a line is y = 2x + 3. What is the equation of the line that is parallel to the first line and passes through (2, –1)?
4x – 2y = –6
y = 2x – 5
y = 3x + 4
2x + y = –1
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What do you know about the slopes of parallel lines?
anything els? cuz i dont know much
@mathstudent55 I was just about to post the answer to help him. Oh well, adios!
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Parallel lines have the same slope.
yea post it
The given line has equation:
y = 2x + 3
That means the slope is 2.
The parallel line also has slope 2.
so d? cuz that has 2x
i know its not c
A and B are parallel to the given equation as @mathstudent55 mentioned in the previous post
The parallel line has equation
y = 2x + b
Now we need to find b.
We use the given point for x and y and solve for b.
-1 = 2(2) + b
-1 = 4 + b
-5 = b
Since b = -5, the equation of the parallel line is
y = 2x - 5
Which choice is y = 2x - 5?
oh so we know its not c so that is out
b its b
i know it
your the man now i can finally sleep i was up all day doing hw