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What number must you add to complete the square x2 plus 2x 23?
You need to add -22.
What number must be added to x2 8x to complete the square?
To complete the square for the expression ( x^2 + 8x ), first take half of the coefficient of ( x ) (which is 8), square it, and add it. Half of 8 is 4, and squaring it gives ( 4^2 = 16 ). Therefore, the number that must be added to ( x^2 + 8x ) to complete the square is 16. Thus, the completed square form is ( (x + 4)^2 ).
What number must be added to x2 plus 9x to complete the square?
To complete the square for the expression (x^2 + 9x), take half of the coefficient of (x) (which is 9), square it, and add that value. Half of 9 is (4.5), and squaring it gives (20.25). Therefore, the number that must be added is (20.25). Thus, the completed square form is ((x + 4.5)^2).
What number do you add to complete the square x2 plus 10x?
25
What number would you add to the equation x plus 4x0 to complete the square?
You would add 4.
What number must you add to complete the square x2 plus 12x equals 40?
You must add 36 to complete the square on the left hand side.You must add 36 to complete the square on the left hand side.You must add 36 to complete the square on the left hand side.You must add 36 to complete the square on the left hand side.
What number must you add to complete the square x2 plus 2x equals -1?
You must add 1
What number must you add to complete the square x2 plus 24x equals 17n?
You must add (17n + 144).
What number must you add to complete the square x2 plus 2x 23?
You need to add -22.
What number must you add to complete the square x2 plus 10x equals 31?
You need to add -6
What number must you add to complete the square x2 minus 4x equals 1?
4
What number must you add to complete the square x2 plus 22x equals 0?
it is 121
What number do you add to complete the square x2-19?
-17
What number must you add to complete the square of x to the power of 2 plus18x subtracted by13?
94
What number must you add to complete the square of x2 12x -9?
The idea is to take half the linear part (12, in this case), then square it. The constant part must be equal to this result.
What number must you add to complete the square x2 plus 16x equals -7?
square root -5 minus 14 or - square root -5 minus 14
What number must you add to complete the square of x2 plus 12x equals 40?
The constant term - the part without a variable - must be equal to the square of one half the linear term - the number in front of the "x". That is, it must be (12/2)2 = 36.
