#I forgot how to do this..
105 messages · Page 1 of 1 (latest)
slope eqation?
okay first off what makes lines parallel
what property must they have
we also need the y intercept
which is crucial
do you know what slope is?
rise over run
and what about their equation
$rise\over run$
like the y=mx+b
ビジヨン
what about that equation makes them parallel
is it the m or the b
like whats the relation
yup
you can find the slope by looking at the graph
or using the slope formula given two points
for which one
yup
what about for line b?
and line c?
do you know what that tells us?
since that does not have the same slope it will intercept with lines a and b
you’re right
a and b will never touch because they have the same slope
but a and b are parallel to each other
you have m
already
2/3
$2\over 3$ $x$
ビジヨン
not just 2/3
try \frac{}{}
so the first {} is the numerator the second is the denominator
$\frac{2}{3}$
!𒐪 ɹɐupoɯ⇂ㄥ8𝟝 𒐪!
now to find b find the y intercept
thanks
b is where the equation touches the y axis
when x=0
like the coordinate (0,y)
for b we have (0.0) telling us that the y intercept is 0
what about for graph a?
yes
thats your b value for equation a
for line b you dont need to have any value for b
what equations do you get?
for equation b it is
yes
and for a?
exactly
yes
there you go
those are the equations for line a and b
congrats. You did it
no problem. It was a pleasure helping
have a nice day/night.
Post it
what are we trying to find
or what equation for what line
as last time, all that you need to do is determine which 2 have the same slope
yeah
then there are no parallel lines
but there are two that are parallel
whats the slope for line a,b and c?
5/2
rise over run
yep
but the slope is negative
remember that
yes
m=-2
now find the y intercept
don't need that
they need the equation
no
we already have the slope
so we get -2x+b
lets use the coordinate (3,4)
replace x and y to isolate b
or you can use (5,0)
for line b
yes
solve for b now
no
b=10
because 4=-6+b
yeah
now for line c use a coordinate on line c and find b again
4=-2(5)+b
4=-10+b
b=14
yeah
you got through
you got the two equations
right?
then you did it
your welcome
have a good rest of your day/ night
Help me teacher please 🤣
#1179691484283416626
ok ill help tomorrow if i can. goodnight