Question

will fan and medal! find the function rule. x -2 -1 0 1 2
y 94 -1 -6 -11

Answer 1

we are searching for a function like this:
\[y = ax + b\]
where \(a,b\) are the coefficient to be established, and \(x,y\) are the unknowns

Answer 2

okay

Answer 3

let's consider the first pair, namely \(x=-2,y=9\)
substituting those values I get:
\(-2a+b=9\)
am I right?

Answer 4

I think so

Answer 5

please try to substitute \(x=-1,y=4\) into my equation \(y=ax+b\), what do you get?

Answer 6

I don't know

Answer 7

we get this equation:
please look at my hint:
\(4=-a+b\)

Answer 8

will b = -6?

Answer 9

I got \(b=-1\)

Answer 10

we have to solve this algebraic system:
\[\left\{ \begin{gathered}
- a + b = 4 \hfill \\
- 2a + b = 9 \hfill \\
\end{gathered} \right.\]

Answer 11

I don't get this

Answer 12

when I replaced x with -2 and y with 9 I got this equation:
\[ - 2a + b = 9\]
when I replaced x with -1 and y with 4 I got this equation:
\[ - a + b = 4\]
so, in order to compute the values of \(a,b\) we have to solve this system:
\[\left\{ \begin{gathered}
- a + b = 4 \hfill \\
- 2a + b = 9 \hfill \\
\end{gathered} \right.\]

Answer 13

I know its against the rules but this is a timed test can I please get a direct answer

Answer 14

no, I'm sorry, I can not give the direct answer, since it is against the Code of Conduct

Answer 15

ugh

Answer 16

poop

Answer 17

please solve the subsequent equation, with respect to \(b\):
\[ - a + b = 4\]
what do you get?

Answer 18

I don't know but I swear if I can just get a direct answer I will fan and medal you, you will get the reward you deserve

Answer 19

What is "x -2 -1 0 1 2
y 94 -1 -6 -11" even supposed to be?