CLASS10 · Mathematics · Distance Formula — Gap Fill

Exercise and reference answers

Missing parts

1. Answer

   (y₂−y₁)²

   Choices

   1. (x₂−x₁)²
   2. (y₂−y₁)²
   3. x₂y₂
   4. x₁+y₁

2. Answer

   √(a² + b²)

   Choices

   1. √(a² + b²)
   2. a + b
   3. ab
   4. a² − b²

Complete the statement

Distance between (x₁,y₁) and (x₂,y₂) = √((x₂−x₁)² + {0}). Distance from origin to (a, b) = {1}.

Instructions

Fill the distance-formula expressions.