What value in place of the question mark makes the polynomial below a perfect square trinomial x^2+24x+?

Mathematics

2 answers:

Ray Of Light [21]3 years ago

8 0

Answer:

Answer D

Step-by-step explanation:

Take half of the coefficient of x: Take half of +24, obtaining 12. Now square this 12, obtaining 144. This is the desired value. Answer D is correct.

kykrilka [37]3 years ago

7 0

Answer:

Step-by-step explanation:

Perfect square trinomials can be written as (a + b)² = a² + 2ab + b². In this case, we know that a = x so we can write this as x² + 2bx + b². Since we know that 2bx = 24x we can conclude that b = 12, so that means b² = 12 * 12 = 144.

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