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Plots & Data Analysis
Trend Lines
Write an equation in slope-intercept form of the trend line.
(1 point)

Plots \& Data Analysis $\newline$ Trend Lines $\newline$ Write an equation in slope-intercept form of the trend line. $\newline$ ( $1$ point)

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Equations of horizontal and vertical lines

Full solution

Q. Plots \& Data Analysis

\newline

Trend Lines

\newline

Write an equation in slope-intercept form of the trend line.

\newline

(

1

point)

Identify Points: Identify two points on the trend line. Let's say the points are $(1, 2)$ and $(3, 4)$ .
Calculate Slope: Calculate the slope $m$ using the formula $m = \frac{y_2 - y_1}{x_2 - x_1}$ . So, $m = \frac{4 - 2}{3 - 1} = \frac{2}{2} = 1$ .
Find Y-Intercept: Use one of the points and the slope to find the y-intercept $b$ using the formula $y = mx + b$ . Substitute the slope and the coordinates of one point into the equation. Let's use point $(1, 2)$ . $2 = 1(1) + b$ So, $b = 2 - 1 = 1$ .
Write Equation: Write the equation in slope-intercept form, $y = mx + b$ . $\newline$ Substitute $m$ and $b$ into the equation. $\newline$ $y = 1x + 1$ .

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\newline

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