I NEED SOME EMERGENCY HELP WILL MEDAL AND FAN PLEASE!!!!
Indicate in standard form the equation of the line passing through the given point and having the given slope.
D(5, -2) m =
#2ndicate in standard form the equation of the line passing through the given points.
B(0, 0), C(4, -4)
#3ndicate in standard form the equation of the line passing through the given points.
P(6, 2), Q(8, -4)
#4Indicate in standard form the equation of the line passing through the given points.
G(4, 6), H(1, 5)

- anonymous

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- kropot72

What is the value of m for the first part? You appear to have missed typing it.

- anonymous

2/5

- anonymous

sorry

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## More answers

- kropot72

You need to substitute the given values into the equation
y = mx + b
and rearrange into standard form.

- kropot72

This will let you find the value of b which is the y-intercept.

- anonymous

okay so 5x-2y=2/3?

- anonymous

wait i think im off

- anonymous

what am i doing wrong?

- kropot72

Substitute the given values into y = mx + b. Then solve to find the value of b. Can you do that as a first step?

- anonymous

no i dont think so

- anonymous

this is what it looks like
_x__y__

- kropot72

y = -2, x = 5 and m = 2/5
Plug these values into
y = mx + b
What do you get?

- anonymous

do i x 2/5 and 5?

- kropot72

Correct.

- anonymous

that would be 2

- kropot72

So we should have
-2 = 2 + b
which needs to be solved to find the value of b.

- anonymous

yes

- anonymous

ugh i dont know do we x 5 and 2?

- kropot72

What do you get for the value of b?

- anonymous

10? *I say very unsure*

- kropot72

Can you solve
-2 = 2 + b
to find the value of b?

- anonymous

oh wait i felt like it was harder then it was i hope would b be -4?

- anonymous

so it would be -2=2+-4?

- kropot72

Yes, b = -4.
So we now have
\[\large y=\frac{2}{5}x-4\]
which needs to be rearranged into standard form
ax + by = c

- anonymous

how would i do that?

- anonymous

oh wait

- anonymous

whats a?

- kropot72

First interchange the left and right sides to give
\[\large \frac{2}{5}x-4=y\]
Then rearrange to give
\[\large \frac{2}{5}x-y=4\]
Now you need to remove the fraction by multiplying both sides by 5.

- anonymous

oh okay

- anonymous

hahaha hold i thats so wrong

- anonymous

i hate math

- anonymous

10x-y=4?

- kropot72

\[\large 5(\frac{2}{5}x-y)=4\times5\]
which becomes
\[\large 2x-5y=20\]

- anonymous

oh lol i feel stupid now

- anonymous

thank you soooo much i think now i can figure out the rest now

- kropot72

You're welcome :)

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