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Determine the correct values of [tex]\( y \)[/tex] for each given [tex]\( x \)[/tex] in the equation [tex]\( y = 2x - 3 \)[/tex].

[tex]\[
\begin{tabular}{|c|c|}
\hline
$x$ & $y$ \\
\hline
2 & \\
3 & \\
4 & 5 \\
5 & \\
6 & \\
28 & \\
\hline
\end{tabular}
\][/tex]

Using the values from above, plot and draw the graph of [tex]\( y = 2x - 3 \)[/tex] below:

[tex]\[
\begin{tikzpicture}
\begin{axis}[
axis lines = middle,
xlabel = $x$,
ylabel = {$y$},
]
%Below the red parabola is defined
\addplot [
domain=0:30,
samples=100,
color=red,
]
{2*x - 3};
\end{axis}
\end{tikzpicture}
\][/tex]


Sagot :

Let's go through the problem step-by-step to find the corresponding [tex]\( y \)[/tex]-values for the given [tex]\( x \)[/tex]-values using the formula [tex]\( y = 2x - 3 \)[/tex].

1. The given [tex]\( x \)[/tex]-values are [tex]\( 2 \)[/tex], [tex]\( 3 \)[/tex], [tex]\( 4 \)[/tex], [tex]\( 5 \)[/tex], [tex]\( 6 \)[/tex], and [tex]\( 28 \)[/tex].

2. We will substitute each [tex]\( x \)[/tex]-value into the expression [tex]\( y = 2x - 3 \)[/tex] and calculate the corresponding [tex]\( y \)[/tex]-value.

Let's substitute and calculate:

- For [tex]\( x = 2 \)[/tex]:
[tex]\[ y = 2(2) - 3 = 4 - 3 = 1 \][/tex]

- For [tex]\( x = 3 \)[/tex]:
[tex]\[ y = 2(3) - 3 = 6 - 3 = 3 \][/tex]

- For [tex]\( x = 4 \)[/tex]:
[tex]\[ y = 2(4) - 3 = 8 - 3 = 5 \][/tex]

- For [tex]\( x = 5 \)[/tex]:
[tex]\[ y = 2(5) - 3 = 10 - 3 = 7 \][/tex]

- For [tex]\( x = 6 \)[/tex]:
[tex]\[ y = 2(6) - 3 = 12 - 3 = 9 \][/tex]

- For [tex]\( x = 28 \)[/tex]:
[tex]\[ y = 2(28) - 3 = 56 - 3 = 53 \][/tex]

So the corresponding [tex]\( y \)[/tex]-values are:

[tex]\[ 1, 3, 5, 7, 9, 53 \][/tex]

Updating the table with these [tex]\( y \)[/tex]-values:

[tex]\[ \begin{tabular}{|c|c|c|c|c|c|c|} \hline x & 2 & 3 & 4 & 5 & 6 & 28 \\ \hline y & 1 & 3 & 5 & 7 & 9 & 53 \\ \hline \end{tabular} \][/tex]

To plot and draw the graph of [tex]\( y = 2x - 3 \)[/tex], you can use these points:

- Point (2, 1)
- Point (3, 3)
- Point (4, 5)
- Point (5, 7)
- Point (6, 9)
- Point (28, 53)

Plot these points on the coordinate plane and draw a straight line passing through them. The line you draw will represent the equation [tex]\( y = 2x - 3 \)[/tex].

When you plot these points correctly on a graph, you will see that they all lie on the line described by the equation [tex]\( y = 2x - 3 \)[/tex], confirming the correctness of our calculations.