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3 years ago

What value of b makes the polynomial below a perfect square?

2 answers:

8 0

The best and most correct answer among the choices provided by your question is the second choice or letter B. 12

Substituting b = 12:

x^2 + 12x + 36 = (x + 6) ( X + 6) ; therefore, a perfect square.

I hope my answer has come to your help. Thank you for posting your question here in Brainly. We hope to answer more of your questions and inquiries soon. Have a nice day ahead!

lutik1710 [3]3 years ago

8 0

Answer:

The correct option is B.

Step-by-step explanation:

The given polynomial is

$p(x)=x^2+bx+36$ .... (1)

A perfect square trinomial is

$(x+y)^2=x^2+2xy+y^2$ .... (2)

On comparing (1) and (2), we get

$b=2y$ .... (3)

$y^2=36$

Taking square root both the sides.

$y=6$

Put y=6 in equation (3).

$b=2(6)=12$

The value of b is 12, therefore the correct option is B.

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3 years ago

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[Another way you could've solved it]

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6 0

3 years ago

. A hawk flying at a height of 60 feet spots a rabbit on the ground. If the hawk dives at a speed of 55 feet per second, how

Vladimir [108]

Answer:

The hawk reaches the rabbit at t=4.3 sec

Step-by-step explanation:

Let

h ----> is the height in feet

t ----> is the time in seconds

v ---> the initial velocity in feet pr second

s ----- is the starting height

we have

$h=-16t^{2} +vt+s$

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see the attached figure

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3 years ago

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So either opposite side would be 5 or 12, and adjacent side would be 12 or 5 respectively.

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