SOLUTION: This question was in my math book and i don't understand it. It reads "Find the coordinates for all the points on a number line whose distance from -1 is equal to 3.5. Can you expl

Algebra ->  Formulas -> SOLUTION: This question was in my math book and i don't understand it. It reads "Find the coordinates for all the points on a number line whose distance from -1 is equal to 3.5. Can you expl      Log On


   

Question 646206: This question was in my math book and i don't understand it. It reads "Find the coordinates for all the points on a number line whose distance from -1 is equal to 3.5. Can you explain?
Found 2 solutions by ewatrrr, stanbon:
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
 

Hi,

"Find the coordinates for all the points on a number line whose distance from -1 is equal to 3.5. 

number_line%28+600%2C+-10%2C+10%2C+-1%2C+2.5%2C+-+4.5+%29

Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
This question was in my math book and i don't understand it. It reads "Find the coordinates for all the points on a number line whose distance from -1 is equal to 3.5. Can you explain?
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Ans: |-1-x| = 3.5
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Solve:
-1-x = 3.5 or -1-x = -3.5
x = -4.5 or x = 2.5
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Cheers,
Stan H.