Which is the equation of the line shown in the graph (2, 5) and (-6, -6) ?

(1 point)
Responses

y=118x+94
𝑦
=
11
8
𝑥
+
9
4
y is equal to 11 eighths x plus 9 fourths

y=94x+118
𝑦
=
9
4
𝑥
+
11
8
y is equal to 9 fourths x plus 11 eighths

y=118x+2
𝑦
=
11
8
𝑥
+
2
y is equal to 11 eighths x plus 2

y=1/3x+13/3
𝑦
=
1
3
𝑥
+
13
3
y is equal to 1 third x plus

1 answer

To find the equation of the line passing through the points \((2, 5)\) and \((-6, -6)\), we can use the two-point form of the line equation. First, we need to determine the slope \(m\) using the formula:

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

Here, the points are \((x_1, y_1) = (2, 5)\) and \((x_2, y_2) = (-6, -6)\).

Substituting the values into the formula:

\[ m = \frac{-6 - 5}{-6 - 2} = \frac{-11}{-8} = \frac{11}{8} \]

Now that we have the slope, we can use the point-slope form of the line equation, which is:

\[ y - y_1 = m(x - x_1) \]

Using the point \((2, 5)\) and the slope \(\frac{11}{8}\):

\[ y - 5 = \frac{11}{8}(x - 2) \]

Distributing the slope:

\[ y - 5 = \frac{11}{8}x - \frac{22}{8} \]

Simplifying \(-\frac{22}{8}\) to \(-\frac{11}{4}\):

\[ y - 5 = \frac{11}{8}x - \frac{11}{4} \]

Adding 5 (which is \( \frac{20}{4} \)) to both sides:

\[ y = \frac{11}{8}x - \frac{11}{4} + \frac{20}{4} = \frac{11}{8}x + \frac{9}{4} \]

Thus, the equation of the line is:

\[ y = \frac{11}{8}x + \frac{9}{4} \]

Looking at the multiple-choice answers you've provided, this corresponds to:

𝑦 = 11/8 𝑥 + 9/4

So the correct response is \(y = \frac{11}{8}x + \frac{9}{4}\).

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