9
QuizMultiple Choice

Solving Quadratic Equations: Completing the Square (Continued) — Quiz

Question 9 • Algebra: Concepts and Connections

Lie is solving the quadratic equation by completing the square. 3 x squared plus 18 x minus 8 is equal to 0 3 x squared plus 18 x is equal to 8 What should Lie do next?

Answer
A
Write the polynomial as a binomial squared.
B
Factor 3 out of the variable terms.
C
Isolate the variable x .
D
Add 8 to both sides of the equation.
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Lie is solving the quadratic equation by…