Which graph represents a function with direct variation? A coordinate grid with a line passing through (0, 1) and (1, 1) A coordinate grid with a line passing through (negative 2, 1), (0, 0) and (2, negative 1) A coordinate grid with a line passing through (negative 3, negative 3), (0, negative 2) and (3, negative 1) A coordinate grid with a line passing through (negative 2, negative 2), (0, 1) and (2, 4)

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step-by-step explanation:

lockers 1, 4, 9, 16, 25, 40, and 49 are open

i ran through it by the other answer is wrong

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.

i have no idea just need points sorry

step-by-step explanation: