L
3.1.3 Quiz: Two-Variable Systems: Graphing
Grace made tables of values to solve a system of equations. First, she found
that the x-value of the solution was between 0 and 1, and then she found that
it was between 0.5 and 1. Next, she made this table.
x
y = -4x+3
y
0.5
= 3x-1
0.5
0.8
10.6
0.7
1.1
0.8
0.6
0.2
-0.2
-0.6
-1
T
I
0.9
1.0
1.4
1.7
2
1
Which ordered pair is the best approximation of the exact solution?