Question

Write the augmented matrix, and use row reduction to solve.

Answer 1

i dont really know how to do this but i know some people who might, :D

Answer 2

send them over

Answer 3

can you help @.Sam. @AloneS @Awolflover1 @EclipsedStar @Elsa213 @Hayhayz @jim_thompson5910 @YanaSidlinskiy @kayla011102 @Nnesha @pooja195 @Will.H @zepdrix ?

Answer 4

does this count as mass tagging?

Answer 5

i think the limit is 10. ;-;

Answer 6

Matrices? Umm ummm ummmmm :d trying to rememberrrrrr

Answer 7

\[\large\rm y=4+x\]\[\large\rm 4y-3=4x\]We first need our equations in `standard form`.
This means getting our x and y on the same side of the equation,
and the other stuff on the right.

Answer 8

i hope you know how to do this... i want to learn how to do it.

Answer 9

So in that first equation, how bout we subtract x from each side,\[\large\rm -x+y=4\]\[\large\rm 4y-3=4x\]Understand that first step?

Answer 10

yeah so far

Answer 11

Our first equation is in standard form, yay!
x and y on the same side, the other number on the right.

Any ideas how to continue?
What should we do with the other equation?

Answer 12

so i know that the first equation is now -1, 1 and 4 right?

Answer 13

When we set up our matrix? Yes, good.
Let's make sure we have our second equation in the correct format before we set up the matrix though :)

Answer 14

kay so how does you do that with the next one?

Answer 15

Again we have x stuff on the right side, no good.
So let's subtract 4x from each side,\[\large\rm -4x+4y-3=0\]Oh but we also need to move the other "junk" to the right side.
So we'll add 3 to each side,\[\large\rm -4x+4y=3\]

Answer 16

is that on the beginning number and ending one ( -4 and 3)?

Answer 17

Hmm I don't understand what you're asking :d

Answer 18

well where are you adding three?