SOLUTION: select the approximate values of x that are solutions to f(x)=0, where f(x)=-9x^2+8x+5. select the approximate values of x that are solutions to f(x)=0, where f(x)=-7x^2+9x+7.

Algebra ->  Graphs -> SOLUTION: select the approximate values of x that are solutions to f(x)=0, where f(x)=-9x^2+8x+5. select the approximate values of x that are solutions to f(x)=0, where f(x)=-7x^2+9x+7.      Log On


   



Question 894398: select the approximate values of x that are solutions to f(x)=0, where f(x)=-9x^2+8x+5.

select the approximate values of x that are solutions to f(x)=0, where f(x)=-7x^2+9x+7.
select the approximate values of x that are solutions to f(x)=0, where f(x)=-9x^2+2x=8.

Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
You didn't provide solution choices for each graph.
Look for where the graph crosses the x-axis.
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f%28x%29=+-9x%5E2%2B8x%2B5%29
graph%28300%2C300%2C-3%2C3%2C-3%2C3%2C-9x%5E2%2B8x%2B5%29
x=-0.5 and x=1.2
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f%28x%29=+-7x%5E2%2B9x%2B7%29
graph%28300%2C300%2C-3%2C3%2C-3%2C3%2C-7x%5E2%2B9x%2B7%29
x=-0.5 and x=1.8
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f%28x%29=+-9x%5E2%2B2x%2B8%29
graph%28300%2C300%2C-3%2C3%2C-3%2C3%2C-9x%5E2%2B2x%2B8%29
x=-0.8 and x=1.1