Question

which ordered pair is the solution to this equation?
-2x+9y=-26
a.(-4,-4)
b.(4,4)
c.(-4,-5)
d.(-5,-4)

Answer 1

here is the graph of the line

Answer 2

okhay whats the answer?

Answer 3

well none of thoses are on the line so are you sure you typed the answers right? if you did then i think there is a typo

Answer 4

thats it... thats how it was

Answer 5

written

Answer 6

Try d.
-2(-5) + 9(-4) =10-36=-26
Looks like it would work.

Answer 7

radar got the right answer, d.
A solution using Mathematica with comments is attached.

Answer 8

Interesting pdf. I like the fact it checked the wrong answers also producing false outputs.

Answer 9

radar,

Thank you.