Maria got 4 answers wrong as per linear equation.
What is a linear equation?
A linear equation is an equation that has a variable with the highest power of 1. A linear equation may consists of multiple variable. However, the highest power of any variable will be 1.
Given, Maria's math test had 25 questions.
She got 84% correct.
Therefore, she got wrong
= (100 - 84)%
= 16%
Now, the number of questions she got wrong is
= 25 × 16%
= 4
Learn more about linear equation here: https://brainly.com/question/10047053
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