anonymous
  • anonymous
What is the range of the graph of y = 5(x - 2)2 + 7?
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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schrodinger
  • schrodinger
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UsukiDoll
  • UsukiDoll
range is in the y-axis
anonymous
  • anonymous
so is the range 7
anonymous
  • anonymous
Use graphic calculator to solve: http://www.acalculator.com/graphing-calculator-online/

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anonymous
  • anonymous
The website is kinda confusing, thanks anyway. Can anyone explain how to find the range and what it is for this equation please??
UsukiDoll
  • UsukiDoll
you need to graph first then find the range based off that graph which is located in the y-axis
zzr0ck3r
  • zzr0ck3r
The leading coefficient is positive so you know it looks like a smiley face. This is in vertex form with vertex \((-2,7)\). So the lowest value the function takes is \(7\).
zzr0ck3r
  • zzr0ck3r
no need to graph. That is why they gave it in vertex form. A quadratic with positive leading coefficient and vertex \((a,b)\) has range \(y\ge b\) A quadratic with negative leading coefficient and vertex \((a,b)\) has range \(y\le b\)
anonymous
  • anonymous
Oh ok so y>=7 should be my answer, right?
UsukiDoll
  • UsukiDoll
oh... I see. x.x if \[y \geq 7\] then we have a quadratic with a positive leading coefficient and vertex (a,b). IN this case we have a = -2 and b = 7 so (-2,7)
anonymous
  • anonymous
Yay Thank you everybody who helped

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