Which equation is the inverse of 5 y + 4 = (x + 3) squared + one-half? y = one-fifth x squared + six-fifths x + eleven-tenths y = 3 plus-or-minus StartRoot 5 x + seven-halves EndRoot Negative 5 y minus 4 = negative (x + 3) squared minus one-half y = negative 3 plus-or-minus StartRoot 5 x + seven-halves EndRoot

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step-by-step explanation:

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step-by-step explanation:

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solution:

the given function is ,

      =

the three roots of this quadratic function is , 0 ,8 and 10.all the roots are real and rational.

if a quadratic equation is of the form ,

sum of the roots = a + b +c= 0+8+10=18=  

product of roots taken two at a time = a b + b c+ c a = 0+80+0=80 =  

product of roots = a b c = 0=  

there are 11 doors in a hall starting from 0 to 11.the entry in the hall is permitted through gate number 0 and exit is allowed through only gate number 8 and 10.so, three roots(0,8,10) of quadratic function is given by entry and exit route of this hall.