SOLUTION: 2r2-3r-1=0
Algebra.Com
Question 751432: 2r2-3r-1=0
Answer by jim_thompson5910(35256) (Show Source): You can put this solution on YOUR website!
Use the quadratic formula to solve for r
Plug in , ,
Exact Solutions: or
Approximate Solutions: or
RELATED QUESTIONS
(-3r2 – 4r) + (2r2 + r –... (answered by Maths68)
r2+3r+4=0 (answered by longjonsilver)
-8<3r-1<1 (answered by jai_kos)
3r+1<4r+7 (answered by checkley75)
{{{3r^2=4r-1}}} (answered by FrankM)
-5r^2-3r+2=0 (answered by jim_thompson5910)
3r^8-2r^4+1 (answered by Earlsdon)
{{{ 2r+5-1=14-3r... (answered by waiwai933)
4/3r-3 <... (answered by jim_thompson5910)