How do I find out if it's adding, subtracting, or multiplying in these types of questions

To find out if you are adding, subtracting, or multiplying, the thing you need to think of is how to isolate x and make x by itself. Therefore, A will be subtracting, B will be subtracting, C will be adding, and D will be dividing.

Step-by-step explanation:

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it would be d because 4x=6 so it dividing

s

step-by-step explanation:

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.