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wariber [46]
3 years ago
7

What number must be added to the expression below to complete the square? x2 - 11x

Mathematics
2 answers:
mart [117]3 years ago
5 0

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>

Contact [7]3 years ago
4 0

30.25 is correct but apex asks for a fraction so 121/4

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