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iwanttogotostanford

  • one year ago

ACT PREP Q NEED HELP:

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  1. anonymous
    • one year ago
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    its A

  2. iwanttogotostanford
    • one year ago
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    @123666 how do I explain that???

  3. Utterly_Confuzzled
    • one year ago
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    I got B I plugged in 2 numbers that would work A=2 and b=1 and plugged in to see which have the highest answer

  4. anonymous
    • one year ago
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    try multiplying them all out

  5. iwanttogotostanford
    • one year ago
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    I need to explain it and all of its steps and I'm not sure how to do that

  6. iwanttogotostanford
    • one year ago
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    @peachpi @Utterly_Confuzzled

  7. anonymous
    • one year ago
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    multiply the first two out

  8. iwanttogotostanford
    • one year ago
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    ok

  9. iwanttogotostanford
    • one year ago
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    and then what?

  10. Utterly_Confuzzled
    • one year ago
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    Work 2(1+2) = 6 (1+2)^2 = 9 2^2 + 1^2 = 5 2^2 - 1^2 = 3

  11. anonymous
    • one year ago
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    then compare them. what did you get?

  12. anonymous
    • one year ago
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    *when you multiplied

  13. iwanttogotostanford
    • one year ago
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    they are the same except one is multiplying by 2 and the other is multiplying by ^2

  14. Utterly_Confuzzled
    • one year ago
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    Would something like "I found 2 numbers that worked with the criteria I was given and plugged them into each answer choice to see which one gave me the largest answer" work?? Or does it have to be step by step?

  15. anonymous
    • one year ago
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    they are not the same. the first one is multiplied by 2. Distribute the 2. The second is raised to the power of 2. \((a + b)² = (a + b)(a + b)\). You can FOIL that

  16. iwanttogotostanford
    • one year ago
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    Step by step Im pretty sure

  17. Utterly_Confuzzled
    • one year ago
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    One is multiplying by 2 and the other is squaring the answer. It makes a big difference

  18. iwanttogotostanford
    • one year ago
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    yep! I see now how you got that.

  19. iwanttogotostanford
    • one year ago
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    i didn't mean they ARE the same i meant they LOOK the same exceptt for that

  20. anonymous
    • one year ago
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    tbh @Utterly_Confuzzled strategy is what you would want to use on the actual ACT

  21. iwanttogotostanford
    • one year ago
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    yeah, true. ok! So thats basically how I would solve the problem???

  22. iwanttogotostanford
    • one year ago
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    what @Utterly_Confuzzled said ? And it is B?

  23. anonymous
    • one year ago
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    yeah. Is plugging in numbers what you're looking for in the way of an explanation.

  24. Utterly_Confuzzled
    • one year ago
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    Yes it's B And I think they meant finding two numbers that work and just plugging them in

  25. iwanttogotostanford
    • one year ago
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    Okay! Thanks to both of you

  26. anonymous
    • one year ago
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    the only thing I'd suggest with plugging in numbers is to not use 1 or 0. In this case it works out, but they can be wonky depending on the scenario

  27. iwanttogotostanford
    • one year ago
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    okay, but what utterly said should be sufficient?? In explaining my answer?

  28. anonymous
    • one year ago
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    I guess.

  29. Utterly_Confuzzled
    • one year ago
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    @peachpi is right, it's normally safest not to use 0 or 1 And I believe it should suffice.

  30. iwanttogotostanford
    • one year ago
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    Its for a grade but its ACT prep...

  31. anonymous
    • one year ago
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    are you looking for an algebraic explanation, or a "this is how I would solve the problem" explanation

  32. iwanttogotostanford
    • one year ago
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    @peachpi this is how Id solve the problem

  33. anonymous
    • one year ago
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    yeah just plug in numbers

  34. iwanttogotostanford
    • one year ago
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    sounds good?

  35. anonymous
    • one year ago
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    yes

  36. iwanttogotostanford
    • one year ago
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    ok- thanks again for your help:-)

  37. anonymous
    • one year ago
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    well you want to say you plugged them into all four options and B was the highest

  38. iwanttogotostanford
    • one year ago
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    okay. Thanks, that helped!

  39. anonymous
    • one year ago
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    np

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