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List the coordinates for the points where the line 

y=-1/2x-3 crosses the y-axis (separated by a comma) 

ManuelBautista2019  Nov 6, 2017

Best Answer 

 #1
avatar+7324 
+2

y  =  -1/2 x - 3

 

The point where the line crosses the  y-axis  is the point where  x = 0 .

So, plug in  0  for  x  and solve for  y .

 

y  =  -1/2 (0) - 3

                                       And  -1/2 * 0  =  0 .

y  =  0 - 3

 

y  =  -3

 

When  x = 0 ,  y = -3 .    That gives us the point  (0, -3) .

hectictar  Nov 6, 2017
 #1
avatar+7324 
+2
Best Answer

y  =  -1/2 x - 3

 

The point where the line crosses the  y-axis  is the point where  x = 0 .

So, plug in  0  for  x  and solve for  y .

 

y  =  -1/2 (0) - 3

                                       And  -1/2 * 0  =  0 .

y  =  0 - 3

 

y  =  -3

 

When  x = 0 ,  y = -3 .    That gives us the point  (0, -3) .

hectictar  Nov 6, 2017

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