Standardized Test Practice

1
EXAMPLE 1
Standardized Test Practice
SOLUTION
Let ( x1, y1 ) ( 3, 5) and ( x2, y2 ) ( 4,
1 ).
2
EXAMPLE 2
Classify a triangle using the distance formula
3
for Examples 1 and 2
GUIDED PRACTICE
1. What is the distance between (3, 3) and
(1, 5)?
4
for Examples 1 and 2
GUIDED PRACTICE
2. The vertices of a triangle are R( 1, 3),
S(5, 2), and T(3, 6). Classify ?RST as scalene,
isosceles, or equilateral.
5
for Examples 1 and 2
GUIDED PRACTICE