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iwanttogotostanford
 one year ago
PRACTICE ACT Q: What expression must the center cell of the table below contain so that the sum of each row, each column, and each diagonal are equivalent?(DIAGRAM DRAWN BELOW)
iwanttogotostanford
 one year ago
PRACTICE ACT Q: What expression must the center cell of the table below contain so that the sum of each row, each column, and each diagonal are equivalent?(DIAGRAM DRAWN BELOW)

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iwanttogotostanford
 one year ago
Best ResponseYou've already chosen the best response.0dw:1444183648198:dw

iwanttogotostanford
 one year ago
Best ResponseYou've already chosen the best response.0@zepdrix @Nnesha @Musicdude

zepdrix
 one year ago
Best ResponseYou've already chosen the best response.2How much does each column or row add up to? Have you tried calculating one of them yet? :)

zepdrix
 one year ago
Best ResponseYou've already chosen the best response.2Like just try the top row maybe, \(\large\rm x+8x3x\)

iwanttogotostanford
 one year ago
Best ResponseYou've already chosen the best response.0I will try

iwanttogotostanford
 one year ago
Best ResponseYou've already chosen the best response.0yes i tried that now

iwanttogotostanford
 one year ago
Best ResponseYou've already chosen the best response.0well I see a pattern

zepdrix
 one year ago
Best ResponseYou've already chosen the best response.2Yes, the missing amount is a 2x. I'm not what pattern you're talking about though.. hmm

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0everything adds up to 6x....with the 2x in the middle

iwanttogotostanford
 one year ago
Best ResponseYou've already chosen the best response.0but when I add up the first row accrues, I get 5x^2

zepdrix
 one year ago
Best ResponseYou've already chosen the best response.2That's what I was hoping you would figure out on your own, that the add up to 6x, but oh well...

iwanttogotostanford
 one year ago
Best ResponseYou've already chosen the best response.0but I added up the first across and it doesn't equal 6x...?

zepdrix
 one year ago
Best ResponseYou've already chosen the best response.2\[\large\rm apple+apple\ne apple^2\]Not sure where the square came from, hmm :d

zepdrix
 one year ago
Best ResponseYou've already chosen the best response.2\[\large\rm apple+apple = two~apples\]

iwanttogotostanford
 one year ago
Best ResponseYou've already chosen the best response.0but don't two x equal x^2???

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0not when adding, just when multiplying

zepdrix
 one year ago
Best ResponseYou've already chosen the best response.2\(\large\rm x+x\ne x^2\) no :(

iwanttogotostanford
 one year ago
Best ResponseYou've already chosen the best response.0oh oak forgot that rule

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0x + x = 2x x * x = x^2

zepdrix
 one year ago
Best ResponseYou've already chosen the best response.2you have `an apple`, `8 more apples`, then `take away 3 apples`.

iwanttogotostanford
 one year ago
Best ResponseYou've already chosen the best response.0but if everything is supposed to equal to 6x then why doesn't the first row equal that??? They are all supposed to be equal

iwanttogotostanford
 one year ago
Best ResponseYou've already chosen the best response.0x+8x3x doesn't equal 6?

iwanttogotostanford
 one year ago
Best ResponseYou've already chosen the best response.0ok OK haha i got it

iwanttogotostanford
 one year ago
Best ResponseYou've already chosen the best response.0i forgot that X counted as a 1
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