What is the common point between lines y = ½ x + 4 and y = x – 4?
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Expert's answer
2013-07-12T07:46:30-0400
Common point belongs to both given lines. To find it we should equate given expressions for y: 1/2 x+4=x-4 1/2x=8 x=16 Now we need to find corresponding y. We can use either of the given equations for that: y(16)=16-4=12 Thus, we found common point of the given lines, it's (16,12)
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