URGENT!
Write an equation in point-slope form for the line through the given point with the given slope.
(10,-9); m=-2

Question

URGENT!
Write an equation in point-slope form for the line through the given point with the given slope.
(10,-9); m=-2

mathstudent55 · Answer

You need an equation in this form:

$\large y = mx + b$

anonymous · Answer

okay so do you know y=mx=b

anonymous · Answer

y=mx+b

mathstudent55 · Answer

Let m = the given slope, so m = -2. We now have:

$\large y = -2x + b$

anonymous · Answer

sorry ;/

nnesha · Answer

*point slope*
$$\huge\rm y-y_1=m(x-x_1)$$

imqwerty · Answer

i jst came here to smile :)

mathstudent55 · Answer

Now put the x and y of your point in the x and y of our equation and solve for b.

$\large y = -2x + b$

$\large -9 = -2(10) + b$

$\large -9 = -20 + b$

$\large 11 = b$

Now that we know b = 11, substitute 11 for b.

$\large y = -2x + b$

$\large y = -2 x + 11$

mathstudent55 · Answer

@Nnesha is correct above. They ask for point-slope, not slope-intercept.

$\large y - y_1 = m(x - x_1) $

$\large  y - (-9) = -2(x - 10)$