Line segment AB is on the coordinate plane and has endpoints at A(-5,3) and B(1,8). What is the length of the line segment to th e nearest hundredth? A) 30.5 B) 11.0 C) 7.81 D) 3.32
2 answers:
Answer:
C) 7.81
General Formulas and Concepts:
<u>Pre-Algebra</u>
Order of Operations: BPEMDAS
Brackets
Parenthesis
Exponents
Multiplication
Division
Addition
Subtraction
<u>Algebra I</u>
<u>Algebra II</u>
Distance Formula: Step-by-step explanation:
<u>Step 1: Define</u>
<em>Identify</em>
Point A(-5, 3)
Point B(1, 8)
<u>Step 2: Find distance </u><em><u>d</u></em>
Simply plug in the 2 coordinates into the distance formula to find distance <em>d</em>
Substitute in points [Distance Formula]: [√Radical] (Parenthesis) Subtract: [√Radical] Evaluate exponents: [√Radical] Add: [√Radical] Evaluate: Round:
Answer:
AB = 7.81
Step-by-step explanation:
Distance between 2 points = sqrt( (x2 - x1)^2 + (y2 - y1)^) )
x2 = - 5
x1 = 1
y2 = 3
y1 = 8
D = sqrt( -5 - 1)^2 + (3 - 8)^2 )
D = sqrt( (-6)^2 + (-5)^2 )
D = sqrt( (36 + 25)
D = sqrt( 61)
D = 7.81
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