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Mathematics 13 Online
OpenStudy (sandraf8129):

which of the following is the equation of a line that passes through the point (1,4) and is parallel to the x-axis? A. x=1 b. y=4 c. x=4 d. y=1

OpenStudy (sandraf8129):

would it be B?

OpenStudy (wolf1728):

None of those answers are equations such as y = mx + b

OpenStudy (wolf1728):

Yes it is B

OpenStudy (sandraf8129):

how would it be B?

OpenStudy (wolf1728):

The slope of a line parallel to the x axis is zero so there would be NO x term.

OpenStudy (abdullahm):

When a line is parallel to the x-axis, that means the equation is y = some number And if that line goes through (x, y), we have to use the y-value of it since it starts with y = When a line is parallel to the y-axis, that means the equation is x = some number And if that line goes through (x, y), we have to use the x-value of it since it starts with x =

OpenStudy (sandraf8129):

so im right it would be y=4 ?

OpenStudy (abdullahm):

Yes

OpenStudy (queenie):

this might help you..... HOY -- horizontal line, 0 slope, represented by y = a number VUX -- vertical line, undefined slope, represented by x = a number and if it is parallel to the x axis, it is a horizontal line...so its y = ...and look at ur points (1,4).....and use ur y coordinate..so yes, its y = 4

OpenStudy (zxcvbnm1216):

It is B because it is parallel to the x axis. The x axis is a horizontal line. If it is parallel with this, it must be a straight line with no slope. Then you look at the point that they give you which is (1,4) This means that the y value is 4. If it is parallel to the x axis it must be y= something. So if we are given y=4 for a point that is our answer

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