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The table represents a linear function.
\begin{tabular}{|c|c|}
\hline[tex]$x$[/tex] & [tex]$y$[/tex] \\
\hline-2 & 8 \\
\hline-1 & 2 \\
\hline 0 & -4 \\
\hline 1 & -10 \\
\hline 2 & -16 \\
\hline
\end{tabular}

What is the slope of the function?

A. [tex]$-6$[/tex]

B. [tex]$-4$[/tex]

C. [tex]$4$[/tex]

D. [tex]$6$[/tex]

Sagot :

To determine the slope of the linear function represented in the table, we start by choosing any two points from the table of values. Let’s select the points [tex]\((-2, 8)\)[/tex] and [tex]\((-1, 2)\)[/tex].

The formula for the slope [tex]\( m \)[/tex] between two points [tex]\((x_1, y_1)\)[/tex] and [tex]\((x_2, y_2)\)[/tex] is given by:

[tex]\[ m = \frac{y_2 - y_1}{x_2 - x_1} \][/tex]

### Step-by-step:
1. Identify the Coordinates:
- Point 1: [tex]\((x_1, y_1) = (-2, 8)\)[/tex]
- Point 2: [tex]\((x_2, y_2) = (-1, 2)\)[/tex]

2. Substitute the coordinates into the slope formula:
[tex]\[ m = \frac{2 - 8}{-1 - (-2)} \][/tex]

3. Simplify the numerator and the denominator:
- Numerator: [tex]\(2 - 8 = -6\)[/tex]
- Denominator: [tex]\(-1 - (-2) = -1 + 2 = 1\)[/tex]

4. Calculate the slope:
[tex]\[ m = \frac{-6}{1} = -6 \][/tex]

Hence, the slope of the function is [tex]\(-6\)[/tex].

So, the correct answer is:
[tex]\[ \boxed{-6} \][/tex]
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