If P = (-3, 1) and Q = (x, 4), find all numbers x such that the vector represented by line PQ has length 5.
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Originally Posted by magentarita If P = (-3, 1) and Q = (x, 4), find all numbers x such that the vector represented by line PQ has length 5. 1. Calculate the vector 2. Calculate the magnitude of the vector which has to be 5: Square both sides: 3. Therefore or
Originally Posted by earboth 1. Calculate the vector 2. Calculate the magnitude of the vector which has to be 5: Square both sides: 3. Therefore or Another great job here. Thanks
Originally Posted by magentarita If P = (-3, 1) and Q = (x, 4), find all numbers x such that the vector represented by line PQ has length 5. Note that , where is the circle centered at with the radius . Just write the equation of and substitute to this equation and solve as earboth done.
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