15
QuizMultiple Choice

The Quadratic Formula

Question 15 • Applications and Modeling

When solving by using the Quadratic Formula, what are the steps to follow?

Answer
A
factor, find values for a,b,c, subtract
B
simplify, find values for a,b,c, factor
C
substitute into the formula, find values for a,b,c, simplify
D
find values for a,b,c, substitute into the formula, simplify

Explanation

First write the quadratic in standard form, ax² + bx + c = 0, and identify the values of a, b, and c. Then substitute those values into the Quadratic Formula, x = (−b ± √(b² − 4ac))/(2a), and simplify to find the solutions. This matches “find values for a, b, c, substitute into the formula, simplify.”

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