The equation for the line of best fit is the <em>linear</em> function y = - 0.4 · x + 70. (Correct choice: A).
<h3>What linear equation best fits the scatter plot?</h3>
The equation of the line is represented by a polynomial of the form y = m · x + b, where m is the slope of the line and b is the intercept of the line. The slope is equal to the change in the <em>dependent</em> variable (Δy) and in the <em>independent</em> variable (Δx) and the intercept is the <em>vertical</em> distance of the line with the origin when x = 0.
In accordance with the picture, we notice that the scatter plot indice that Δy < 0 and Δx > 0 and therefore, m < 0. Besides, the intercept of the equation of the line must be greater than zero. Thus, the equation for the line of best fit is the <em>linear</em> function y = - 0.4 · x + 70. (Correct choice: A)
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It's between 3 and 4 because it is 3.14
It will take 36.6 or 37 months.
We will set up an equation to represent this. Let m be the number of months. The amount of money she has paid can be represented by 3000+430m. The amount of money her car is worth can be represented by 26868-223m. Set these equal:
3000+430m=26868-223m
Add 223m to both sides:
3000+430m+223m = 26868-223m+223m
3000+653m=26868
Subtract 3000 from both sides:
3000+653m-3000 = 26868-3000
653m=23868
Divide both sides by 653:
653m/653 = 23868/653
m = 36.6
Answer:
6
Step-by-step explanation:
I used a calculator and the answer is 6