Approximate the solution to this system of equations. (6 points)
y = –x + 3
y = 2x + 1
The first step is to identify y-values for different values of x. The table shows y-values for the two functions between x = -1 and x = 2.
x
y = –x + 3
y = 2x + 1
–1
4
–1
–0.5
3.5
0
0
3
1
0.5
2.5
2
1
2
3
1.5
1.5
4
2
1
5

How do you know that the solution is between the two rows in the table corresponding to x=0.5 and x=1? (1 point)

Complete the table to show the values of x between 0.5 and 1. (2 points)

x
y = –x + 3
y = 2x + 1
0.5
2.5
2
0.6

0.7

0.8

0.9

1
2
3

Which two x-values will the solution be between? (1 point)

Identify a reasonable approximation for the solution of this system. (2 points)

1) What is the bottom part saying? I will just solve what I see on top since that may be the only part you need to solve, comment what the bottom part is if you need it, I'll help.

2) y=7/3 by solving. for y.

3) x = -4/6 by solving for x after plugging in the y.

4) Your answer is (-2/3,7/3).

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