6. (5 pts) y = 6 + 3x (a) Find at least two pairs of x and y. (b) Graph the linear equation. 7. (5 pts) y = 10 - 2x (a) Find at least two pairs of x and y. (b) Graph the linear equation.
6. Given the equation: y = x2 + 4x + 3 a. (3 pts) Find the vertex b. (3 pts) Find two other points on the parabola and graph the equation on the grid below 7. (4 pts) Graph the following linear equation on the grid below: y = x-5 3
(a) Suppose you are given the following (x, y) data pairs. x 1 2 6 y 4 3 7 Find the least-squares equation for these data (rounded to three digits after the decimal). ŷ = + x (b) Now suppose you are given these (x, y) data pairs. x 4 3 7 y 1 2 6 Find the least-squares equation for these data (rounded to three digits after the decimal). ŷ = + x (c) In the data for parts...
Use the following 4 (x, y) pairs to find the equation of the least squares regression line. x 2 3 5 6 y 5 9 10 12 Round the first answer (constant) to 0 decimal places (integer) and the second answer (slope) to 1 decimal place. ? * ? Based on the above equation, what is the predicted value of y if x = 10? Round answer to 0 decimal places (integer). ?
7. (4 pts) Graph the following linear equation on the grid below: y = x-5 ope ist 5 3
7. (4 pts) Graph the following linear equation on the grid below: y = -x-5 pe is 3 3
7. (4 pts) Graph the following linear equation on the grid below: y = x-5 Slope is 2 3 FIL
(a) Suppose you are given the following (x, y) data pairs x136y217Find the least-squares equation for these data (rounded to three digits after the decimal) (b) Now suppose you are given these (x, y) data pairs. x217y136Find the least-squares equation for these data (rounded to three digits after the decimal). (c) In the data for parts (a) and (b), did we simply exchange the x and y values of each data pair? Yes No (d) Solve your answer from part (a) for x (rounded to...
(a) Suppose you are given the following (x, y) data pairs. x 1 2 5 y 2 1 8 Find the least-squares equation for these data (rounded to three digits after the decimal). ŷ = + x (b) Now suppose you are given these (x, y) data pairs. x 2 1 8 y 1 2 5 Find the least-squares equation for these data (rounded to three digits after the decimal). ŷ = + x (c) In the data for parts (a) and (b), did...
Consider the following: (a) Suppose you are given the following x, y data pairs. x 2 1 6 y 6 7 8 Find the least-squares equation for these data. (Use 3 decimal places.) = + x (b) Now suppose you are given these x, y data pairs. x 6 7 8 y 2 1 6 Find the least-squares equation for these data. (Use 3 decimal places.) = + x (c) In the data for parts (a) and (b), did we simply exchange...