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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
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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bahrom7893Best ResponseYou've already chosen the best response.0
(5/2)*((5/2)+(15/4))
 2 years ago

bahrom7893Best ResponseYou've already chosen the best response.0
come on, you can finish the rest...
 2 years ago

bahrom7893Best ResponseYou've already chosen the best response.0
(5/2)*((15/4)  (10/4))
 2 years ago

bahrom7893Best ResponseYou've already chosen the best response.0
(5/2)*(5/4) = 25/8
 2 years ago

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

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

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

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

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

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

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

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

dgoBest 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

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

bahrom7893Best ResponseYou've already chosen the best response.0
depends on the parenthesis
 2 years ago

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

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

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

dgoBest 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

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

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

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

bahrom7893Best ResponseYou've already chosen the best response.0
can you guys draw out the actual question?
 2 years ago

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

bahrom7893Best 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

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

bahrom7893Best 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

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

dgoBest 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

bahrom7893Best ResponseYou've already chosen the best response.0
dw:1329168853490:dw
 2 years ago

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

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

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

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

bahrom7893Best ResponseYou've already chosen the best response.0
lol finally haha medals...
 2 years ago

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