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Question
question a line of best fit was drawn to the plotted points in a data set below. based on the line of best fit, for what y - value does x = 24? answer attempt 1 out of 5 y =
Step1: Find the slope of the line
The line passes through points $(0,2)$ and $(4,5)$. The slope $m$ formula is $m=\frac{y_2 - y_1}{x_2 - x_1}$. So, $m=\frac{5 - 2}{4-0}=\frac{3}{4}$.
Step2: Find the y - intercept
The line passes through $(0,2)$, so the y - intercept $b = 2$.
Step3: Write the equation of the line
The slope - intercept form of a line is $y=mx + b$. Substituting $m=\frac{3}{4}$ and $b = 2$, we get $y=\frac{3}{4}x+2$.
Step4: Find the y - value for $x = 24$
Substitute $x = 24$ into the equation $y=\frac{3}{4}\times24+2$. First, $\frac{3}{4}\times24 = 18$, then $y=18 + 2=20$.
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