KyledaGreat:
g(x) = x^2 + x − 6 Step 2 of 2 : Sketch the graph by identifying where the graph is positive and where the graph is negative. Select the area above the axis to plot the positive curve for that region, and select the area below the axis to plot the negative curve for that region. Use the Reset button to remove all curves.
jhonyy9:
so like the first step try get the zeros of this quadratic
KyledaGreat:
is this right ?
jhonyy9:
what are the roots of this quadratic ?
KyledaGreat:
x = 2, -3
jhonyy9:
do you can factoriz it completly ?
KyledaGreat:
no
jhonyy9:
jhonyy9:
-3 +2 = -1 not +1
jhonyy9:
jhonyy9:
maybe this (x+3)(x-2) = ?
jhonyy9:
this is true ?
KyledaGreat:
yes sir
jhonyy9:
yes so from this result that your graph is right but you need be sure in your calcule
jhonyy9:
step 2 . ???
KyledaGreat:
umm
KyledaGreat:
i don't think so
jhonyy9:
you need select these areas
KyledaGreat:
oh that's true ok
jhonyy9:
Step 2 of 2 : Sketch the graph by identifying where the graph is positive and where the graph is negative.
KyledaGreat:
okay , was it right to have done the graph based on the picture ?
jhonyy9:
yes right but now you need solve the point 2
jhonyy9:
Step 2 of 2 : Sketch the graph by identifying where the graph is positive and where the graph is negative. this ...
jhonyy9:
use your graph so this is easy
KyledaGreat:
how could i do that
jhonyy9:
do you know where the graph is positive ? and where is negativ ?
KyledaGreat:
I don’t believe so
KyledaGreat:
is it like that ?
KyledaGreat:
are any of them right that i just did ?
KyledaGreat:
jhonny ?
jhonyy9:
KyledaGreat:
which one
jhonyy9:
on the first one posted image with vectors
jhonyy9:
the second negativ quadrant is on the right corner down
jhonyy9:
Step 2 of 2 : Sketch the graph by identifying where the graph is positive and where the graph is negative.
jhonyy9:
what you marked there ? positive - negativ parts ???
KyledaGreat:
yes
KyledaGreat:
does it look like it
jhonyy9:
please mark it with plus or minus signs
KyledaGreat:
i'm sorry for the bluriness , it couldn't focus
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