Use a graphing calculator or other technology to answer the question. x y
0 48
1 39
2 35
4 23
6 16
10 3
11 2

Which quadratic regression equation best fits the data set?

yˆ=0.246x2−6.815x+47.062

yˆ=47.062x2−6.815x+0.246

yˆ=0.246x2+6.815x+47.062

yˆ=47.062x2−6.815x−0.246

Fill in the blank 1. a rhombus is a rectangle a) always b) sometimes c) never 2. a square is a quadrilateral a) always b) sometimes c) never 3. a trapezoid is a kite a) always b) sometimes c) never 4. a quadrilateral is a kite a) always b) sometimes c) never 5. a square is a rhombus a) always b) sometimes c) never 6. a parallelogram is a rectangle a) always b) sometimes c) never