iwanttogotostanford
  • iwanttogotostanford
PLZ HELP ASAP: What is the equation of the following graph in vertex form?
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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schrodinger
  • schrodinger
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iwanttogotostanford
  • iwanttogotostanford
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iwanttogotostanford
  • iwanttogotostanford
choices: y = (x − 4)2 − 4 y = (x + 4)2 − 4 y = (x + 2)2 + 6 y = (x + 2)2 + 12
iwanttogotostanford
  • iwanttogotostanford
@pooja195 @satellite73 @xo_just4me_xo @Landon34 @Kitten_is_back

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Landon34
  • Landon34
yeah?
iwanttogotostanford
  • iwanttogotostanford
@radar @Teddyiswatshecallsme @Cardinal_Carlo @jhonyy9
anonymous
  • anonymous
The vertex form of a quadratic is given by y = a(x – h)2 + k, where (h, k) is the vertex, and the "a" in the vertex form is the same "a" as in y = ax2 + bx + c. In our case, the vertex seems to be (4, -4). So: \[\left( h, k \right) = \left( 4, -4 \right)\] So far we have: \[y = a \left( x - 4 \right)^{2} + \left( -4 \right)\] @iwanttogotostanford can you think of a way to get the a-value? Hint: Since the curve resembles a smiley face, the a-value is a positive integer. \[a = ~ ?\]
iwanttogotostanford
  • iwanttogotostanford
I'm thinking 4
anonymous
  • anonymous
Well take a look at each of your four choices @iwanttogotostanford. Which one closely resembles the equation we have?
anonymous
  • anonymous
Hint: The a-value is positive 1 across all four choices.
iwanttogotostanford
  • iwanttogotostanford
2 then @Cardinal_Carlo
iwanttogotostanford
  • iwanttogotostanford
WAIT NO its A!!! @Cardinal_Carlo
anonymous
  • anonymous
Exactly. Took you long enough @iwanttogotostanford ^_^
iwanttogotostanford
  • iwanttogotostanford
very true haha! Can i tag you in one more question>?
anonymous
  • anonymous
Sure go ahead
iwanttogotostanford
  • iwanttogotostanford
ok can i post it here

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