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QuizMultiple Choice

Adding and Subtracting Rational Expressions — Quiz

Question 1 • Algebra: Concepts and Connections

Which represents all the values of x that make the rational expression the fraction with numerator negative 6 x plus 42 and denominator 3 x plus 9 undefined?

Answer
A
x is equal to negative 3
B
x is equal to negative 7 or x is equal to 7
C
x is equal to 7
D
x is equal to negative 3 or x is equal to 3
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Which represents all the values of x that make…