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Determine the coefficient of x3in the binomial expansion of (2 + x)5.
Suggested Answer: B
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37 comments · newest first
GA
Gabriele
10 months ago
Just a reminder, it's from the binomial theorem!
VI
Vilma
11 months ago
I thought it would be 40, not 80.
ME
Melodie
11 months ago
Wait, how did you get that? Seems high!
LE
Leonard
11 months ago
Totally agree, it's definitely 80!
AL
Albina
11 months ago
The coefficient of x^3 in (2 + x)^5 is 80.
FE
Fernanda
12 months ago
I feel like the answer is 40, but I can't quite recall how I got there. I need to double-check my calculations for the binomial coefficients.
LO
Louis
12 months ago
I’m a bit lost on whether to use combinations or just plug in values directly. I hope I remember the right formula!
HE
Hector
12 months ago
I remember practicing a similar question where we had to find a specific term in a binomial expansion. I think the coefficient for x^3 might involve some combination calculations.
FR
Francene
1 year ago
I think we need to use the binomial theorem to find the coefficient, but I'm not entirely sure how to apply it here.
KE
Kenny
1 year ago
No problem, I've got this. The coefficient of x^3 in the binomial expansion of (2 + x)^5 is 64. I'm confident in that answer.
DI
Dianne
1 year ago
Hmm, the binomial expansion... I remember learning that in class, but I'm drawing a blank on the details right now. I better review my notes quickly before time runs out.
ST
Starr
1 year ago
Okay, I've got this. The binomial expansion of (2 + x)^5 will have 6 terms, and the coefficient of the x^3 term will be the 4th term. Time to crunch some numbers!
AM
Amie
1 year ago
I think I remember the binomial expansion formula, but I'm not totally sure how to apply it here. I'll need to think it through step-by-step.
VI
Virgie
1 year ago
Hmm, I'm a bit unsure about this one. I'm not sure if the 'Request for Activation' workflow is the right tool for the job. Maybe the 'Schedule Later Publication' option would be better?
SE
Sena
1 year ago
I'm a bit confused by this question. The options seem to cover different project management processes, but I'm not sure which one is specifically triggered at the end when the work is complete. I'll have to think this through carefully.
AR
Armanda
1 year ago
I'm not entirely sure, but I remember something about AAA overrides being used in these scenarios. Could that be it?
AL
Alease
1 year ago
Hmm, I'm not too sure about the differences between Medicare and Medicaid here. I'll need to think this through carefully.
GL
Glenn
2 years ago
Haha, I remember when my math professor called binomial expansions the 'poetry of algebra'. Not sure I agree, but hey, at least it's not calculus. B is the way to go, folks.
DI
Dick
2 years ago
Wait, they're asking about the coefficient of x^3? That's easy, it's 40! I can practically see the formula in my head. This exam is a piece of cake!
JA
Janine
2 years ago
Yes, you're right. It's a straightforward calculation.
VI
Vincent
2 years ago
I agree, the coefficient of x^3 in (2 + x)^5 is 40.
FL
Flo
2 years ago
Yeah, it's definitely 40, just apply the formula and you'll get it.
ST
Stephaine
2 years ago
I think it's 40 too. That's the coefficient of x^3 in the expansion.
DE
Dean
2 years ago
Yeah, it's definitely 40. Just apply the formula and you'll get it.
CA
Candra
2 years ago
I think it's 40 too, that's the coefficient of x^3 in the expansion.
LO
Louvenia
2 years ago
I think it's 40 too, that's the correct answer.
CR
Crista
2 years ago
Binomial expansions, huh? That brings back memories of late nights spent studying for my exams. Alright, let's do this! I'm gonna go with option B, it just feels right.
LI
Lili
2 years ago
Whoa, this question looks tricky! Okay, let me think this through step-by-step. Yep, I'm confident B is the correct answer. Now, time to move on to the next question before my brain melts.
SH
Sheridan
2 years ago
I remember learning about binomial expansions in my math class. Let's see, the coefficient of x^3 should be the coefficient of the third term in the expansion of (2 + x)^5. Hmm, I think I'll go with option B.
CH
Chun
2 years ago
Correct, the coefficient of x^3 in the expansion is indeed 40.
VA
Vanna
2 years ago
Sounds good to me. Option B it is.
JE
Jeannine
2 years ago
Great, let's go with 40 then.
WI
Willetta
2 years ago
Yes, you're correct. It is 40.
LI
Ligia
2 years ago
Yes, I agree. Option B seems to be the correct choice.
FA
Fatima
2 years ago
I think the coefficient of x^3 is 40.
KI
King
2 years ago
I believe that would be 40.
FR
Franchesca
2 years ago
I think the coefficient of x^3 is the coefficient of the third term in the expansion of (2 + x)^5.