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Evaluate the following expression for a = 6 and b = 2
3a + b2 + 4b – a
A. 4
B. 12
C. 8
D. 16
 one year ago
 one year ago
Evaluate the following expression for a = 6 and b = 2 3a + b2 + 4b – a A. 4 B. 12 C. 8 D. 16
 one year ago
 one year ago

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phiBest ResponseYou've already chosen the best response.1
why don't you replace a with 6 and b with 2 and do the arithmetic?
 one year ago

phiBest ResponseYou've already chosen the best response.1
yes, but you did not put in 6 everywhere there is an "a" and 2 for every b
 one year ago

Pooh_Best ResponseYou've already chosen the best response.1
3(6) + (2)^2 + 4(2)  6 is that what you mean?
 one year ago

phiBest ResponseYou've already chosen the best response.1
yes. now do the arithmetic
 one year ago

phiBest ResponseYou've already chosen the best response.1
you do know that 3(6) is short for 3*6 (3 times 6) right?
 one year ago

Pooh_Best ResponseYou've already chosen the best response.1
Omg of course ...I already did what you're talking about. I just never get the same answer as the multiple choice
 one year ago

phiBest ResponseYou've already chosen the best response.1
do it in steps what is 3*6 what is (2)^2 what is 4*2 6 now add them up
 one year ago

Pooh_Best ResponseYou've already chosen the best response.1
Wait ..why the 4 isn't 4 ?
 one year ago

phiBest ResponseYou've already chosen the best response.1
3(6) + (2)^2 + 4(2)  6 write the answers to each multiplication (or square for (2)^2 ) below each term
 one year ago

phiBest ResponseYou've already chosen the best response.1
do you know that (2)^2 is short hand for 2 * 2 do you think 2 * 2 is 4?
 one year ago

Pooh_Best ResponseYou've already chosen the best response.1
Oh no i didn't know it was 2. Lol thanks for explaining
 one year ago

phiBest ResponseYou've already chosen the best response.1
btw, if you see (2)^3 that means 2* 2 * 2 which is (2*2) * 2 or 4*2 or 8
 one year ago

Pooh_Best ResponseYou've already chosen the best response.1
Yes, i know that. Thanks
 one year ago

phiBest ResponseYou've already chosen the best response.1
did you get a final answer?
 one year ago
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