anonymous
  • anonymous
What is the average rate of change from x = −2 to x = 0? 1 0 −2 2
Algebra
  • Stacey Warren - Expert brainly.com
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SOLVED
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chestercat
  • chestercat
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anonymous
  • anonymous
@ganeshie8 @Nnesha @nincompoop @pooja195
Nnesha
  • Nnesha
the link isn't working 4me.
anonymous
  • anonymous
ok let mt try this

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anonymous
  • anonymous
1 Attachment
Nnesha
  • Nnesha
okay find y values when x=-2 y =what ? when x=0 y = ?
anonymous
  • anonymous
y=-1?
Nnesha
  • Nnesha
hmm draw a vertical line at x=-2 ,x=0 |dw:1442576939540:dw|
Nnesha
  • Nnesha
|dw:1442576947023:dw| at what point red line intersect the graph
anonymous
  • anonymous
at -2
Nnesha
  • Nnesha
that's x ut you need y
Nnesha
  • Nnesha
but*
anonymous
  • anonymous
-1 and 1
Nnesha
  • Nnesha
y values are positive above the x-axis and negative below the x-axis
Nnesha
  • Nnesha
|dw:1442577127761:dw|
anonymous
  • anonymous
ok so its just 1 then
Nnesha
  • Nnesha
|dw:1442577166274:dw| when x=-2 y =1
Nnesha
  • Nnesha
yes right when x =-2 y =1 when x=0 y =1 so now use the slop formula to find slope (average rate of change )\[\huge\rm \frac{ y_2 -y_1}{ x_2-x_1 }\]
anonymous
  • anonymous
so -2
anonymous
  • anonymous
1-1 0-2
anonymous
  • anonymous
or is it 2 cause its 0-(-2)
Nnesha
  • Nnesha
2nd one looks right
anonymous
  • anonymous
ok thank you for the help
Nnesha
  • Nnesha
np
Nnesha
  • Nnesha
wait no
Nnesha
  • Nnesha
there is 1-1 at the numerator
Nnesha
  • Nnesha
@Motown117 what did you get for final answer ?
anonymous
  • anonymous
i got 2
Nnesha
  • Nnesha
no that's not correct
Nnesha
  • Nnesha
1-1/0-(-2) there is 1-1 at the numerator 1-1 = 0
Nnesha
  • Nnesha
\[\frac{ 1-1 }{ 0-(-2) }=\frac{ 0 }{ 2 }\] 0 divide by anything equal to what ?
anonymous
  • anonymous
0
Nnesha
  • Nnesha
yes right so slope is 0
anonymous
  • anonymous
ok thank you
Nnesha
  • Nnesha
np
anonymous
  • anonymous
can you help me with one more?
Nnesha
  • Nnesha
i'll try
anonymous
  • anonymous
What is the equation of the quadratic graph with a focus of (4, −3) and a directrix of y = −6? f(x) =negative one over six times x squared plus four over three times x plus eleven over six f(x) =one over six times x squared minus four over three times x minus eleven over six f(x) = three fiftieth x squared plus eleven twenty fifth x plus three fifth f(x) = two fiftieth x squared plus eleven twenty fifth x plus two fifth

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