Solve the system of linear equations by graphing. y = –5/2x – 7 x + 2y = 4 what is the solution to the system of linear equations? a. (–4.5, 4.25) b. (–1.7, –2.8) c. (0, –7) d. (3, 0.5)

ANSWER

(–4.5, 4.25)

EXPLANATION

The first equation is

This function is in the slope-intercept form

The second equation is:

x + 2y = 4

2y =-x+ 4

The graph of the two functions are shown in the attachment.

The point of intersection represents the solution to the system of equations they represent.

The solution is

(–4.5, 4.25)

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