A graphing calculator working the quadratic regression problem for these three points gives the equation as
y = 2x² +7x -5
y = 2x² +7x -5
what is 1+2+3+4+5+6+7+8+9+10+11+12+13+14+15+16+17+18+19+20-19-18-17-16-15-14-13-12-11-10-9-8-7-6-5-4-3-2-1=?
1 answer:
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Answer: Option 2
Step-by-step explanation: