Please help ASAP! Which ordered pair is a solution of this equation?
-5x - 9y = -8
Click on the correct answer
A.
(2,-1)

B.
(-1,2)

C.
(-22)

D.
(2,-2)

Explanation:

For each possible answer choice, you'll plug in the given coordinates to see which results in a true equation or not.

If we try choice A, then we plug in x = 2 and y = -1 to get

-5x-9y = -8

-5(2)-9(-1) = -8

-10+9 = -8

-1 = -8 which is false

So (x,y) = (2,-1) is not a solution. We can cross choice A off the list.

You'll find a similar situation happens with choices B and D. They don't work either.

Choice C works because...

-5x-9y = -8

-5(-2)-9(2) = -8 replaced x with -2, replaced y with 2

10-18 = -8

-8 = -8

We get a true equation. So (-2,2) has been confirmed to be a solution.

what is the approximate angle of acb if abc is 25cm and the length of segment bc is 15

step-by-step explanation:

to have more of what you want like money

step-by-step explanation:

save it by not spending on unnecessary stuff and have more