Question
Find the distance
d=550
Calculate
400,−150
Any real number can be written as a complex number with the imaginary part 0
400+0×i,−150
Any real number can be written as a complex number with the imaginary part 0
400+0×i,−150+0×i
The complex number for a+bi can be represented as an ordered pair (a,b)
(400,0),(−150,0)
The distance between the points (a,b) and (s,t) in the complex plane is d=(s−a)2+(t−b)2
d=(400−(−150))2+(0−0)2
Solution
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Calculate
(400−(−150))2+(0−0)2
Subtract the terms
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Simplify
400−(−150)
If a negative sign or a subtraction symbol appears outside parentheses, remove the parentheses and change the sign of every term within the parentheses
400+150
Add the numbers
550
5502+(0−0)2
Subtract the terms
5502+02
Calculate
5502+0
Removing 0 doesn't change the value,so remove it from the expression
5502
Reduce the index of the radical and exponent with 2
550
d=550
Show Solution

Midpoint
Midpoint=(125,0)
Calculate
400,−150
Any real number can be written as a complex number with the imaginary part 0
400+0×i,−150
Any real number can be written as a complex number with the imaginary part 0
400+0×i,−150+0×i
The complex number for a+bi can be represented as an ordered pair (a,b)
(400,0),(−150,0)
The midpoint between the points (a,b) and (s,t) in the complex plane is Midpoint=(2a+s,2b+t)
Midpoint=(2400−150,20+0)
Calculate
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Calculate
2400−150
Subtract the numbers
2250
Reduce the numbers
1125
Calculate
125
Midpoint=(125,20+0)
Solution
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Calculate
20+0
Removing 0 doesn't change the value,so remove it from the expression
20
Divide the terms
0
Midpoint=(125,0)
Show Solution
