Mathematics
20 Online
OpenStudy (anonymous):
Help
I'll Give anything
Join the QuestionCove community and study together with friends!
Sign Up
OpenStudy (anonymous):
jimthompson5910 (jim_thompson5910):
draw a vertical line through x = 1
where does this vertical line cross the parabola?
OpenStudy (anonymous):
yes but I get confused with whether or not I draw it vertically or horizontally
jimthompson5910 (jim_thompson5910):
you draw it vertical (straight up and down)
OpenStudy (anonymous):
1,-3
Join the QuestionCove community and study together with friends!
Sign Up
jimthompson5910 (jim_thompson5910):
yep (1,-3) is on the graph
do the same for x = 3
OpenStudy (anonymous):
yep that where I agian get confused x=3 = nothing...
OpenStudy (anonymous):
that's*
jimthompson5910 (jim_thompson5910):
draw a vertical line through x = 3
where does that vertical line touch the parabola
OpenStudy (anonymous):
3,1 ??
Join the QuestionCove community and study together with friends!
Sign Up
jimthompson5910 (jim_thompson5910):
good
jimthompson5910 (jim_thompson5910):
the two points are (1,-3) and (3,1)
jimthompson5910 (jim_thompson5910):
find the slope through (1,-3) and (3,1)
slope formula
\[\Large m = \frac{y_{2}-y_{1}}{x_{2}-x_{1}}\]
OpenStudy (anonymous):
-2
then
jimthompson5910 (jim_thompson5910):
no the slope isn't -2
Join the QuestionCove community and study together with friends!
Sign Up
jimthompson5910 (jim_thompson5910):
are you familiar with the slope formula?
OpenStudy (anonymous):
ohh my bad 2
jimthompson5910 (jim_thompson5910):
did you use the slope formula to get 2?
OpenStudy (anonymous):
yes
OpenStudy (nuttyliaczar):
Is everything clear here or do you still need help?