anonymous
  • anonymous
how do i solve a question that says: consider the two different quadratic function of the form f(x)=4x^2-qx+25 ?? HELP
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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jamiebookeater
  • jamiebookeater
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amistre64
  • amistre64
it looks like there is information missing
goformit100
  • goformit100
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anonymous
  • anonymous
sorry it also says "the graph of each function has its vertex on the x-axis. it asks to find both values of q... soryy and thanks!!

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amistre64
  • amistre64
4x^2-qx+25 would have to be a perfect square trinomial
amistre64
  • amistre64
if you know hoe to find a determinant of a quadratic, the rest is to set it to 0
amistre64
  • amistre64
does: b^2 - 4ac ring a bell?
anonymous
  • anonymous
yes ofc! thanks a lot!
amistre64
  • amistre64
q^2 -4(4)(25) = 0 will give you vales for q that make it a perfect square trinomial ;) good luck
uri
  • uri
*if you know "hoe" to find a determinant* oh man...

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