At vero eos et accusamus et iusto odio dignissimos ducimus qui blanditiis praesentium voluptatum deleniti atque corrupti quos dolores et quas molestias excepturi sint occaecati cupiditate non provident, similique sunt in culpa qui officia deserunt mollitia animi, id est laborum et dolorum fuga. Et harum quidem rerum facilis est et expedita distinctio. Nam libero tempore, cum soluta nobis est eligendi optio cumque nihil impedit quo minus id quod maxime placeat facere possimus, omnis voluptas assumenda est, omnis dolor repellendus. Itaque earum rerum hic tenetur a sapiente delectus, ut aut reiciendis voluptatibus maiores alias consequatur aut perferendis doloribus asperiores repellat.
ok lets start with the first question
we are given points (8,-8) and slope 3 to put in point slope form|dw:1441393907189:dw|
so would i distribute ?
only the negative sign
which option would we get?
hold on oneee second im almost done
wait so for y-(-8) how woould i distribute that, would it be just be -8y?
so it would be 8y= 3x - (-) 24?
no ... u just need to distbute the 2 negative signs here|dw:1441394401381:dw|
i this case to match the given options the 2 negatives will make positive when....
so 1st question answer??
its y+8 = 3 (x-8) so D
i dont understand that @robtobey
question 2 intercepts to find the x-intercept we let y=0 to find the y-intercept we let x=0 but first we solve the given equation.. 5x+3y=15 lets solve for y 3y=15-5x y=(-5x+15)/3 now find the x intercept.... 0=(-5x+15)/3
you took the 3 away from y to solve for it butbwhy did you put it into the equation to divide. dont we cancel something out?
since the 3 was being multiplied to y....3y ...to get the y term alone we divide by 3...and since its an equation...what we do to the left side we must do the same to the right side ...
ohh okay okay i gotchu
so wats the x-intercept?
i give up
0*3=(-5x+15)/3*(3)...the 3 will cancel on the right side 0=-5x+15 0+5x=-5x+5x+15 5x=15 x=15/5 x=3 the x-intercept (3,0)
okay i understand it better i guess its still a little confusing but ill look over some more later
lets solve the y-intercept y=(-5(0)+15)/3 y=(0+15)/3 y=15/3
so the y-intercept is?
would it be 5
plz put it in point form
okay soo (0,5)
Do u want me to do the 3rd question...or..its ok...
yeah because the way that guy did it really confused me
ok when two lines are perpendicular their slopes=-1 in other words the product of there slope =-1
our equation y=4/9x-2 with point (4,3)
can u tell me the slope for that equation
no because i have no clue whats going on
y=mx+b where m is the slope and b is the y-intercept
m is 4/9x and b is -2?
whats our new slope?
would it be -4/9?
so it would be -9/4x
so we have our new slope m=-9/4 and points (4,3)
would the answer be c?
do u have any question?....
no, thank you so much for helping me !!!