Find the best solutions to your problems with the help of IDNLearn.com's expert users. Our platform provides trustworthy answers to help you make informed decisions quickly and easily.

Which equation contains the coordinate pairs given in the table?

\begin{tabular}{|c|c|}
\hline
[tex]$x$[/tex] & [tex]$y$[/tex] \\
\hline
-3 & 6 \\
\hline
-2 & 3 \\
\hline
-1 & 0 \\
\hline
0 & -3 \\
\hline
1 & -6 \\
\hline
\end{tabular}

A. [tex]$y = -3x - 1$[/tex]

B. [tex]$y = 3x - 3$[/tex]

C. [tex]$y = -\frac{1}{3}x - 3$[/tex]

D. [tex]$y = -3x - 3$[/tex]


Sagot :

Certainly! To determine which equation among the given choices contains the coordinate pairs from the table, we need to check each equation against each point [tex]\((x, y)\)[/tex] in the table:

[tex]\[ \begin{array}{|c|c|} \hline x & y \\ \hline -3 & 6 \\ \hline -2 & 3 \\ \hline -1 & 0 \\ \hline 0 & -3 \\ \hline 1 & -6 \\ \hline \end{array} \][/tex]

We will examine each point against the equations one by one:

1. Equation [tex]\( y = -3x - 1 \)[/tex]:
- For [tex]\( x = -3 \)[/tex]: [tex]\( y = -3(-3) - 1 = 9 - 1 = 8 \)[/tex] (Not matching [tex]\( y = 6 \)[/tex])
- For [tex]\( x = -2 \)[/tex]: [tex]\( y = -3(-2) - 1 = 6 - 1 = 5 \)[/tex] (Not matching [tex]\( y = 3 \)[/tex])
- For [tex]\( x = -1 \)[/tex]: [tex]\( y = -3(-1) - 1 = 3 - 1 = 2 \)[/tex] (Not matching [tex]\( y = 0 \)[/tex])
- For [tex]\( x = 0 \)[/tex]: [tex]\( y = -3(0) - 1 = 0 - 1 = -1 \)[/tex] (Not matching [tex]\( y = -3 \)[/tex])
- For [tex]\( x = 1 \)[/tex]: [tex]\( y = -3(1) - 1 = -3 - 1 = -4 \)[/tex] (Not matching [tex]\( y = -6 \)[/tex])

2. Equation [tex]\( y = 3x - 3 \)[/tex]:
- For [tex]\( x = -3 \)[/tex]: [tex]\( y = 3(-3) - 3 = -9 - 3 = -12 \)[/tex] (Not matching [tex]\( y = 6 \)[/tex])
- For [tex]\( x = -2 \)[/tex]: [tex]\( y = 3(-2) - 3 = -6 - 3 = -9 \)[/tex] (Not matching [tex]\( y = 3 \)[/tex])
- For [tex]\( x = -1 \)[/tex]: [tex]\( y = 3(-1) - 3 = -3 - 3 = -6 \)[/tex] (Not matching [tex]\( y = 0 \)[/tex])
- For [tex]\( x = 0 \)[/tex]: [tex]\( y = 3(0) - 3 = 0 - 3 = -3 \)[/tex] (Matching [tex]\( y = -3 \)[/tex])
- For [tex]\( x = 1 \)[/tex]: [tex]\( y = 3(1) - 3 = 3 - 3 = 0 \)[/tex] (Not matching [tex]\( y = -6 \)[/tex])

3. Equation [tex]\( y = -\frac{1}{3}x - 3 \)[/tex]:
- For [tex]\( x = -3 \)[/tex]: [tex]\( y = -\frac{1}{3}(-3) - 3 = 1 - 3 = -2 \)[/tex] (Not matching [tex]\( y = 6 \)[/tex])
- For [tex]\( x = -2 \)[/tex]: [tex]\( y = -\frac{1}{3}(-2) - 3 = \frac{2}{3} - 3 = -\frac{7}{3} \)[/tex] (Not matching [tex]\( y = 3 \)[/tex])
- For [tex]\( x = -1 \)[/tex]: [tex]\( y = -\frac{1}{3}(-1) - 3 = \frac{1}{3} - 3 = -\frac{8}{3} \)[/tex] (Not matching [tex]\( y = 0 \)[/tex])
- For [tex]\( x = 0 \)[/tex]: [tex]\( y = -\frac{1}{3}(0) - 3 = 0 - 3 = -3 \)[/tex] (Matching [tex]\( y = -3 \)[/tex])
- For [tex]\( x = 1 \)[/tex]: [tex]\( y = -\frac{1}{3}(1) - 3 = -\frac{1}{3} - 3 = -\frac{10}{3} \)[/tex] (Not matching [tex]\( y = -6 \)[/tex])

4. Equation [tex]\( y = -3x - 3 \)[/tex]:
- For [tex]\( x = -3 \)[/tex]: [tex]\( y = -3(-3) - 3 = 9 - 3 = 6 \)[/tex] (Matching [tex]\( y = 6 \)[/tex])
- For [tex]\( x = -2 \)[/tex]: [tex]\( y = -3(-2) - 3 = 6 - 3 = 3 \)[/tex] (Matching [tex]\( y = 3 \)[/tex])
- For [tex]\( x = -1 \)[/tex]: [tex]\( y = -3(-1) - 3 = 3 - 3 = 0 \)[/tex] (Matching [tex]\( y = 0 \)[/tex])
- For [tex]\( x = 0 \)[/tex]: [tex]\( y = -3(0) - 3 = 0 - 3 = -3 \)[/tex] (Matching [tex]\( y = -3 \)[/tex])
- For [tex]\( x = 1 \)[/tex]: [tex]\( y = -3(1) - 3 = -3 - 3 = -6 \)[/tex] (Matching [tex]\( y = -6 \)[/tex])

By testing each coordinate pair with the equations given, the only equation that matches all points in the table is:

[tex]\[ y = -3x - 3 \][/tex]

Thus, the correct equation that contains all the coordinate pairs is:

[tex]\[ y = -3x - 3 \][/tex]

The answer is: [tex]\( y = -3x - 3 \)[/tex], which corresponds to choice [tex]\( 4 \)[/tex].