Using a regression calculator, she got a regression line of y almost-equals 0.19 x + 0.49. What did she do wrong?

A calculator screen. A 2-column table with 6 rows titled Data. Column 1 is labeled x with entries 14, 21, 28, 47, 78, 125. Column 2 is labeled y with entries 3, 4, 6, 10, 15, 24. A 2-column table has 6 rows. Column 1 is labeled x with entries 14, 21, 28, 47, 78, 125. Column 2 is labeled y with entries 3, 4, 6, 10, 15, 24.
She forgot to enter the point (3, 14) into the regression calculator.
She forgot to enter the point (24, 125) into the regression calculator.
She entered the minutes doing aerobics for x and the number of calories burned for y into the regression calculator.
She entered the minutes doing aerobics for y and the number of calories burned for x into the regression calculator

a

Step-by-step explanation:

just did the quiz and got 100%

the answer is A

Step-by-step explanation:

took the test

step-by-step explanation:

let

we know that

the y-intercept is the y-coordinate of the point when the value of x is equal to zero

so

the y-coordinate of the point a is the y-intercept

the answer part a) is

the value of y-intercept is

part b) find the slope m

we know that

the value of the slope is equal to

substitute the values

therefore

the answer part b) is

the value of the slope is equal to

the general answer is

the slope is

the value of y-intercept is

when rotating a figure 180 degrees, imagine that you are able to take the figure and turn it clockwise or counterclockwise around a center point. to rotate a figure 180 degrees, you will need to apply the rule (x, y) → (-x, -y). start by using a coordinate grid with coordinates for each vertex of the figure. the center point of the coordinate grid is located at (0, 0), which is what you will rotate the figure around. write down the original coordinates of the shape you are going to rotate. then, apply the rule. for example, coordinate (1, 2) becomes (-1, -2). another example would be, coordinate (-4, -2) becoming (4, 2). after you change each original coordinate to the rotated coordinate, you will draw your new figure.

step-by-step explanation: