SOLUTION: Find the x-intercept(s) of the graph of the function without graphing the function. {{{ f(x) = sqrt(2x+21)- sqrt(2x)-3 }}}

SOLUTION: Find the x-intercept(s) of the graph of the function without graphing the function. {{{ f(x) = sqrt(2x+21)- sqrt(2x)-3 }}}

Algebra.Com

Question 629008: Find the x-intercept(s) of the graph of the function without graphing the function.

Answer by reviewermath(1029) (Show Source): You can put this solution on YOUR website!

, square both sides

, square both sides

The x-intercept is 2.
Coordinates: (2,0)
To verify, here's the graph:

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