Richard made tables of values to solve a system of equations. First he found
that the x-value of the solution was between 0 and 1, and then he found that it
was between 0.5 and 1. Next, he made this table.
y
= 6x - 1
X
0.5
0.6
0.7
0.8
0.9
1.0
y = -x +
5
4.5
4.4
4.3
4.2
4.1
4
2.6
3.2
3.8
4.4
5
Which ordered pair is the best approximation of the solution?