What number must be added to the expression below to complete the square? x2 - 11x
2 answers:
Since we are to complete the square, therefore I believe
the correct given should be:
x ^ 2 – 11 x
Take note of the symbol ^ which denotes that 2 is an exponent
of x.
The general form of a binomial equation is in the form of:
a x^2 + b x + c
Where in this case:
a = 1
b = -11
c = unknown
To complete the square, we have to find for the value of
c. This is calculated using the formula:
c = (b / 2) ^ 2
c = (-11 / 2) ^ 2
c = 30.25
Therefore the complete equation is:
<span>x ^ 2 – 11 x + 30.25</span>
30.25 is correct but apex asks for a fraction so 121/4
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I think it's 1/4 because -4/1
Answer:
2.88x10^9 is the answer
The answer is 221 I did the work
