SOLUTION: 2y squared + 20y + 21 = 0 find the solution { , }

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Question 1031213: 2y squared + 20y + 21 = 0 find the solution { , }
Answer by Boreal(15235) About Me  (Show Source):
You can put this solution on YOUR website!
2y^2+20y+21=0
y=(1/4)(-20+/- sqrt (400-168); sqrt 332=18.22
y=(1/4)(-38.22) and (1/4)(-1.78)
y=-9.56 and y=-0.445
graph%28300%2C200%2C-10%2C10%2C-10%2C10%2C2x%5E2%2B20x%2B21%29