The test scores for a group of students are shown. 89, 74, 100, 86, 74, 67, 86, 72, 60, 93, 83, 86 what is the mode of the scores? a. 84.5 b. 74 c. 100 d. 86

none of the above.

for one of the equations to be used in the process, there has to be a term in the equation since squared is .

since there is only a term in the first equation, we cannot derive a from completing the square.

solving with completing the square

step-by-step explanation:

you can add the two numbers and divide the result by 2. or you can find the gap between the two numbers and add half of this to the smaller number.