1. Figure \( Q R S T \) is shown in the coordinate plane. Which transformation creates an image with a vertex at the point \( ( - 2,1 ) \) ?
(A) Rotate figure \( Q R S T \) by \( 90 ^ { \circ } \) about \( R \) .
(B) Reflect figure \( Q R S T \) across the line \( y = 1 \) .
(C) Reflect figure \( Q R S T \) across the line \( x = 1 \) .
(D) Rotate figure \( Q R S T \) by \( 90 ^ { \circ } \) about \( Q \) .
C
Given the general term of the sequence, determine the first \(5\) terms:
\(a ( n ) = ( n - 1 ) / ( n + 1 )\) *
Kelvin is at his house located at \( ( 3,4 ) \) on a coordinate plane and walks to the store located at \( ( 1,0 ) \) . The store is located exactly half way between Kelvin's house and Mitch's house. To the nearest tenth, what is the distance between Kelvin's house and Mitch's house? A. \( 4.2 \) B. \( 4.5 \) C. \( 5.7 \) D. \( 8.9\)
