SOLUTION: Find the two numbers that have a distance 3 from -1 by a)measuring the distance on the real number line b) solving an appropriate equation involving an absolute value

Question 990692: Find the two numbers that have a distance 3 from -1 by
a)measuring the distance on the real number line
b) solving an appropriate equation involving an absolute value
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
Find the two numbers that have a distance 3 from -1 by
a)measuring the distance on the real number line
---
-1-3 = -4 and -1+3 = 2
-------------------------
b) solving an appropriate equation involving an absolute value
|x - (-1)| = 3
-----
x+1 = 3 or x+1 = -3
-----
x = 2 or x = -4
-------------------
Cheers,
Stan H.
---------------
RELATED QUESTIONS
Find the distance between the following numbers on the real number line A=13, b=-7 (answered by FrankM)

Find all real numbers on the number line whose distance from a is given by d a=8 ,... (answered by CubeyThePenguin)

find all pairwise distances between the numbers -5,2, and 7 by (a) measuring the... (answered by user_dude2008)

using rational numbers find the segment with a distance of not more than 0.1 to locate... (answered by CubeyThePenguin)

Find the distance between a and -23 on the real number line (answered by JulietG,Fombitz)

A well-known fact is that a negative number multiplied by a negative number yields a... (answered by ikleyn,greenestamps)

Find the equation of the locus when: The distance of P from the line x = -3 is two... (answered by ikleyn)

Two numbers A and B on a number line. Is it always, sometimes or never that the distance (answered by ikleyn)