The most suitable viewing window to solve the system is -20 ≤ x ≤ 20 and -15 ≤ x ≤ 15 option fourth is correct.
What is a linear equation?
It is defined as the relation between two variables, if we plot the graph of the linear equation we will get a straight line.
If in the linear equation, one variable is present, then the equation is known as the linear equation in one variable.
We have two linear equations:
0.02x - 0.05y = -0.38
0.03x + 0.04y = 1.04
We can write above equations as follows:
2x - 5y = -38
3x + 4y = 104
After solving with the substitution method:
x = 16
y = 14
-20 ≤ x ≤ 20
-15 ≤ x ≤ 15
Thus, the most suitable viewing window to solve the system is -20 ≤ x ≤ 20 and -15 ≤ x ≤ 15 option fourth is correct.
Learn more about the linear equation here:
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