Question

4. What is the solution of the system?
y = −3x
3x + 2y = 6(1 point)
(2, 6)
(−1, 3)
(−2, 6)
(1.5, −4.5)

Answer 1

y = −3x <----- notice what "y" equals to, so use that and substitute in the 2nd one
3x + 2y = 6

what would that look like?

Answer 2

you look at three

Answer 3

at three?

Answer 4

no

Answer 5

or yes

Answer 6

what do you mean?

Answer 7

you look at three or no

Answer 8

\(\bf y = −3x\\
3x + 2y = 6\qquad \textit{substituting "y" in the 2nd one}\\ \quad \\
\color{red}{y} = -3x\quad thus \quad 3x + 2y = 6\implies 3x + 2(\color{red}{-3x}) = 6\)

so solving for "x", what would you get?

Answer 9

ooo ok

Answer 10

so the answer is ...........

Answer 11

... what did you get for "x" ?

Answer 12

so x is 2

Answer 13

i am i right or no

Answer 14

well \(\bf 3x+2(-3x)=6\implies 3x-6x=6\implies -3x=6\implies x=\cfrac{6}{-3}\\ \quad \\
x=-2\)

thus what's "y"? well, we know that y = -3x, so since x = -2, then
y = -3(-2)

Answer 15

so its (-2,6)

Answer 16

yeap

Answer 17

thank can you help me with one more

Answer 18

you can always post anew