Using a graphing calculator

which quadratic regression equation best fits the data set?

x y
4 109
6 88
9 52
15 42
18 50
21 78
23 98

a. y = 0.728x^2 + 20.213x + 179.246
b. y = 0.728x^2 - 20.213 + 179.246
c. y = 179.246x^2 - 20.213x + 0.728
d. y = 0.728x^2 + 0.564x + 179.246

Ask your question to the AI advisor

Ai-bot is an expert in any field and is the perfect companion for reliable and useful answers and advice on a variety of topics, including science, history, technology, art, sports, health, culture and more.