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Mathematics 16 Online
OpenStudy (anonymous):

@hobbs978 giving medals https://pwnd9373-ndscholarship-ccl.gradpoint.com/Resource/729004,72F,0,0,0,0,0/Assets/testitemimages/geometry_a/parallel_and_perpendicular_lines/mc119-1.jpg Which lines have slope(-4/5) and contain point (0,1)?

OpenStudy (anonymous):

@SmoothMath

OpenStudy (anonymous):

help

Directrix (directrix):

@dayday2013 One of the lines in the diagram does not pass through the point (0,1). Which one is it?

OpenStudy (anonymous):

bc

Directrix (directrix):

Line BC passes through the point (0,1). Question: Does Line BC has a positive or negative slope? In other words, is line BC rising or falling as you view it from left to right?

OpenStudy (anonymous):

falling

OpenStudy (anonymous):

line ce

Directrix (directrix):

Yes, so line BC passes through the point (0,1) and has a negative slope. It fits these conditions: Which lines have slope(-4/5) and contain point (0,1)?

Directrix (directrix):

Line CE is rising and has a positive slope so it cannot be the line that is the answer to the posted question.

OpenStudy (anonymous):

so the answer is both bc and ce the answer choices is A) BC and CE B)CE C)BC D)AD

Directrix (directrix):

Now, we have an interesting dilemma. What does this mean: Which lines have slope(-4/5) and contain point (0,1)? Does it mean: Which lines have the following: a) slope -4/5 b) contains (0,1) ? That is a two-part question. Or, does the question mean the following: Which line has both these properties: slope -4/5 and also contains (0,1) The interpretation determines the answer to the question.

Directrix (directrix):

Check your problem source and determine if you wrote the question correctly. Are there any commas you did not include?

Directrix (directrix):

On the answer you chose --> A) BC and CE both lines pass through point (0,1) but only one of the lines has a negative slope.

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