Determine the number of x - intercepts for each quadratic function without graphing . a ) f ( x ) = 0.

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Determine the number of x - intercepts for each quadratic functionwithout graphing .a ) f ( x ) = 0. 5 x 2 - 7 6 ) f ( x ) = - 2 ( x + 1 ) 2)( ) f ( x ) = = = (* - 5) 2 - 11