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mikevucina
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how do i evaluate this expression: x(x + y) when x=2 1/2 and y= 3 3/4?
 2 years ago
 2 years ago
mikevucina Group Title
how do i evaluate this expression: x(x + y) when x=2 1/2 and y= 3 3/4?
 2 years ago
 2 years ago

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bahrom7893 Group TitleBest ResponseYou've already chosen the best response.0
just plug them in.
 2 years ago

bahrom7893 Group TitleBest ResponseYou've already chosen the best response.0
(5/2)*((5/2)+(15/4))
 2 years ago

bahrom7893 Group TitleBest ResponseYou've already chosen the best response.0
come on, you can finish the rest...
 2 years ago

bahrom7893 Group TitleBest ResponseYou've already chosen the best response.0
(5/2)*((15/4)  (10/4))
 2 years ago

bahrom7893 Group TitleBest ResponseYou've already chosen the best response.0
(5/2)*(5/4) = 25/8
 2 years ago

dgo Group TitleBest ResponseYou've already chosen the best response.0
mikevucina do you get how to do it?
 2 years ago

mikevucina Group TitleBest ResponseYou've already chosen the best response.2
i do know
 2 years ago

dgo Group TitleBest ResponseYou've already chosen the best response.0
do you know the order of operations?
 2 years ago

dgo Group TitleBest ResponseYou've already chosen the best response.0
what comes first parentheses or multiplication? pop quiz lol
 2 years ago

mikevucina Group TitleBest ResponseYou've already chosen the best response.2
parentheses
 2 years ago

mikevucina Group TitleBest ResponseYou've already chosen the best response.2
okay 3x squared when x= 1.5 is 6.25?
 2 years ago

dgo Group TitleBest ResponseYou've already chosen the best response.0
what comes first, exponents or multiplication?
 2 years ago

mikevucina Group TitleBest ResponseYou've already chosen the best response.2
exponents
 2 years ago

dgo Group TitleBest ResponseYou've already chosen the best response.0
btw im just learning this myself with you
 2 years ago

dgo Group TitleBest ResponseYou've already chosen the best response.0
bahrom do you square the integer first and then multiply by 3?
 2 years ago

mikevucina Group TitleBest ResponseYou've already chosen the best response.2
square number first then integer i think
 2 years ago

dgo Group TitleBest ResponseYou've already chosen the best response.0
i think you square the x (which is 1.5 and then multiply by 3
 2 years ago

dgo Group TitleBest ResponseYou've already chosen the best response.0
unless its (3x)squared
 2 years ago

dgo Group TitleBest ResponseYou've already chosen the best response.0
because parentheses comes before exponents
 2 years ago

bahrom7893 Group TitleBest ResponseYou've already chosen the best response.0
sorry where?
 2 years ago

dgo Group TitleBest ResponseYou've already chosen the best response.0
3x squared when x= 1.5
 2 years ago

bahrom7893 Group TitleBest ResponseYou've already chosen the best response.0
depends on the parenthesis
 2 years ago

mikevucina Group TitleBest ResponseYou've already chosen the best response.2
question is 3x squared + 5x  12 when x= 1.5
 2 years ago

dgo Group TitleBest ResponseYou've already chosen the best response.0
are there parentheses?
 2 years ago

dgo Group TitleBest ResponseYou've already chosen the best response.0
so exponents come first, 1.5^2 = what?
 2 years ago

dgo Group TitleBest ResponseYou've already chosen the best response.0
so now rewrite the equation
 2 years ago

dgo Group TitleBest ResponseYou've already chosen the best response.0
with the new piece of info
 2 years ago

mikevucina Group TitleBest ResponseYou've already chosen the best response.2
6.75 + 5x  12
 2 years ago

dgo Group TitleBest ResponseYou've already chosen the best response.0
boom, and we can go ahead and do the 5x, its 5 * 2.25
 2 years ago

dgo Group TitleBest ResponseYou've already chosen the best response.0
i mean 5 *x or 5* 1.5
 2 years ago

dgo Group TitleBest ResponseYou've already chosen the best response.0
can you do that and then rewrite the equation with the new info?
 2 years ago

mikevucina Group TitleBest ResponseYou've already chosen the best response.2
the answer should be 19.25 but i got 11.25?
 2 years ago

dgo Group TitleBest ResponseYou've already chosen the best response.0
hmmm, guess we need help, im asking bahrom
 2 years ago

bahrom7893 Group TitleBest ResponseYou've already chosen the best response.0
can you guys draw out the actual question?
 2 years ago

dgo Group TitleBest ResponseYou've already chosen the best response.0
question is 3x2 + 5x  12 where x = 1.5
 2 years ago

bahrom7893 Group TitleBest ResponseYou've already chosen the best response.0
3*(1.5)^2+5*(1.5)12= 3*(2.25)5*(1.5)12
 2 years ago

dgo Group TitleBest ResponseYou've already chosen the best response.0
howd you make it 5 in the second line?
 2 years ago

bahrom7893 Group TitleBest ResponseYou've already chosen the best response.0
6.757.512= 12.5
 2 years ago

bahrom7893 Group TitleBest ResponseYou've already chosen the best response.0
5*(1.5) that negative in front of 1.5 makes the whole thing negative
 2 years ago

mikevucina Group TitleBest ResponseYou've already chosen the best response.2
answer is supposed to be 19.25
 2 years ago

dgo Group TitleBest ResponseYou've already chosen the best response.0
ok, so that looks good. mike youre saying that the answer should be 19.25? thats weird, bahrom looks right to me, i mean it makes sense
 2 years ago

bahrom7893 Group TitleBest ResponseYou've already chosen the best response.0
dw:1329168853490:dw
 2 years ago

mikevucina Group TitleBest ResponseYou've already chosen the best response.2
it says that in the book
 2 years ago

mikevucina Group TitleBest ResponseYou've already chosen the best response.2
and bahroom thats the equation
 2 years ago

bahrom7893 Group TitleBest ResponseYou've already chosen the best response.0
the book's wrong
 2 years ago

dgo Group TitleBest ResponseYou've already chosen the best response.0
mike does bahrom's answer make sense to you?
 2 years ago

mikevucina Group TitleBest ResponseYou've already chosen the best response.2
ye it does
 2 years ago

dgo Group TitleBest ResponseYou've already chosen the best response.0
if so, forget the book
 2 years ago

dgo Group TitleBest ResponseYou've already chosen the best response.0
and show your teacher
 2 years ago

dgo Group TitleBest ResponseYou've already chosen the best response.0
thanks bahrom, im giving him a medal for this, for sure
 2 years ago

bahrom7893 Group TitleBest ResponseYou've already chosen the best response.0
lol finally haha medals...
 2 years ago

dgo Group TitleBest ResponseYou've already chosen the best response.0
lol win! good luck mike, cya around
 2 years ago
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