E с bigideasmath.com 4 DDO DOO BIG IDEAS MATH JUSTIN COOK Algebra 2: CC 2015 > Chapter 2 > Section Exercises 2 > Exercise 13 13 of 13 answered Use the Distance Formula to write an expression for the distance, d, between the two points (a, c) and (b, c).
d= ?
What is an easier way to find the distance when the x-coordinates are equal? Find the distance between the two y-coordinates by subtraction , and take the absolute value of the result. This is possible because when X1 = X2, the distance formula simplifies to d y2 - Y1
