distance formula:
d = √[( x₂ - x₁ )² + ( y₂ - y₁ )²]
Given:
(0,1) and (6, -8)
x₂ = 6
x₁ = 0
y₂ = -8
y₁ = 1
Solve:
d = √[( 6 - 0 )² + ( (-8) - 1 )²]
d = √[( 6 )² + ( -9 )²]
d = √[36 + 81]
d = √[117]
d = 10.8
Choice 10.8
