2x + y = 2 (a) 2x + y = 4

B- Solve the following system of five linear equations: -u+ 0.5v + 2w - 1.75x + y = 9.5" 3u + 12v- 9w - 1.5x - 6y= -4.5 3u-1.5v + w-1.25x + 0.5y = -11.5 3u2v-w-1.5x - 3y = -3.5 6u + 3v + 2w+x+8y = -23.5

Consider the following equations: (1) 2x-3y+z=7 (2) - +4y=z=2 (3) -x-2y + 5z = √2 (4) 2x + xy - 3z=7 Which of the above equations are not linear equations in x, y and z ? A. (2) only. B. (2) and (3) only. OC. (2) and (4) only. OD. (2), (3) and (4) only. E. (1) only.

Examine the accompanying sample data for the variables y and x. Complete parts a throughd below. Uonsenh iXAN 1 4 y 1 4 a. Construct a scatter plot of these data. Describe the relationship between x and y. Choose the correct scatter plot below. OA. OB. Ос. OD. 11 11- 11- Describe the relationship between x and y. Choose the correct answer below. O A. There appears to be a negative linear relationship between x and y, because y decreasesas x increases. O B. There appears to be a negative linear relationship between x and y, because y increasesas x increases. There appears to be a positive linear relationship between x and y, because y decreases as x increases. D. There appears to be a positive linear relationship between x and y, because y increases as x increases. O E. There appears to be no relationship between x and y and (2) A 17+0 1y O O O O O

Use MatLab or any other software for this complex problem. Please screenshot and send the solution.

I. Graph the following linear equations. 1) y + 3x = 3(x. + 1) 2) x - 2y = -2(y + 3) 3) x + 3y = 2(y + 2) + y 4) y = 3(x - 1) - x 5) y + 2x = 4(x + 1) – 2x %3D

Which of the following equations might have the graph shown? (More than one answer is possible.)

Help Please!

A linear equation Ax + By + Cz + D=0 represents a line in space.

Find the value of p and q for which the system of equations represent coincident lines2x +3y = 7, (p+q+1)x +(p+2q+2)y = 4(p+q)+1