Midpoint of (1, 1) and (4, 7)
Find the midpoint of the line segment from (1, 1) to (4, 7).
Answer:
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Step-by-Step Solution
Step 1
Midpoint Formula
The midpoint M between two points P₁(x₁,y₁) and P₂(x₂,y₂) is:
M = ((x₁ + x₂)/2, (y₁ + y₂)/2)
The midpoint is the average of the coordinates
M = ((x₁+x₂)/2, (y₁+y₂)/2)
Step 2
Identify the Points
Point 1: P₁(1, 1)
Point 2: P₂(4, 7)
P₁(1, 1), P₂(4, 7)
Step 3
Calculate x-coordinate of Midpoint
x_M = (x₁ + x₂)/2
x_M = (1 + 4)/2
x_M = 5/2
x_M = 5/2
Step 4
Calculate y-coordinate of Midpoint
y_M = (y₁ + y₂)/2
y_M = (1 + 7)/2
y_M = 8/2
y_M = 4
Step 5
Midpoint Result
M = (5/2, 4)
M = (5/2, 4)
Step 6
Verification
Distance from P₁ to M should equal distance from M to P₂
M is equidistant from both endpoints
Midpoint divides segment in ratio 1:1
Step 7
Geometric Interpretation
The midpoint M lies exactly halfway between P₁ and P₂
If you draw the line segment from P₁ to P₂, M is at its center
M divides the segment into two equal parts
Center of line segment