m= -1;(-3,6) write a point-slope equation for the line with the given slope that contains the given point
are you on algebra 1 or 2?
do you have a y- intercept?
no i dont have the Y intercept
so m=-1 and b=6
|dw:1367422452445:dw|
y = mx + b
now what you have to do is make an equation: y=mx+b so y=-1x+6 now make x= 0 and find y and then substitute y in and you get your answer! do you understand?
ok so i would write y=mx+b y=-1x+6 y=-1(0)+6 y=6 is this write
yes! now pick 2 other x numbers to get more y
now thats what i get confused on
well actually on this problem you dont need to do that ... my mistake... all you have to do is write out your equation which is...
if you have a point and a slope use the formula y - y1 = m ( x - x1) where x1 and y1 are the points given to you and m slope so y - 6 = -1 [ x - (-3) ] now just solvev for y
how do I know what two number im looking for? is that when i plug in the numbers i have already with a formula? im not sure if im even asking this question right sorry
you can actually pick any numbers that you want
plug in the coordinates you have, so x coordinate is x1 and your y coordinate is y1.
your ordered pair that you have in the equation.
poetrylover i dont think thats right
since your original equation isnt in correct format you would have to change it to y=mx+b.
i thought thats what i did
yeah it is but do you know wht the final equation is?
no I feel confused
so y = -x - 3 + 6 => y = -x + 3 lets check the point x = -3, the y has to be 6 in order to be true so y = -(-3) + 3 = 3 + 3 = 6
okay hold on. y - 6 = -1(x - (-3))
this is how you write it in point slope form.
y - 6 = -1(x+3) y-6 =-x -3 +6 +6 y = -x + 3 this is your answer
|dw:1367423210898:dw|
Join our real-time social learning platform and learn together with your friends!