33
QuizMultiple Select

Interactions in the US Economy

Question 33 • EA Academy Civics 9

Sample Response: Yes, the equation can be solved by factoring. Using the given equation, take the square root of both sides. Both 169 and 9 are perfect squares, so the left side becomes plus or minus 13/3, which is rational. Six plus 13/3 is a rational number, and 6 minus 13/3 is also a rational number. If the solutions of a quadratic equation are rational, then the equation is factorable. What did you include in your response? Check all that apply.Both169 and 9 are perfect squares.The square ro

Answer
A
Both169 and 9 are perfect squares.
B
The square root of 169/9 is rational.
C
Six plus 13/3 is a rational number, and 6 minus 13/3 is also a rational number.
D
If the solutions of a quadratic equation are rational, then the equation is factorable.
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