What number must be added to the expression below to complete the square? x²-7x
O A. 7/2
O B. -7/2
O C. -49/4
O D. 49/4​

Respuesta :

Answer:

D.   49/4

Step-by-step explanation:

Complete the square by squaring half the coefficent of the x term

(-7/2)² = 49/4

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