5
QuizMultiple Choice

Solving Quadratic Equations: Quadratic Formula — Quiz

Question 5 • Algebra: Concepts and Connections

Nathaniel is using the quadratic formula to solve 0=x2+5⁢x−6. Step 1: Gather necessary information. x is equal to the fraction with numerator negative b plus or minus square root of b squared minus 4 A c end root and denominator 2 A ; a is equal to 1 , b is equal to 5 ; c is equal to negative 6 Step 2: Substitute. x is equal to the fraction with numerator negative 5 plus or minus square root of 5 squared minus 4 1 negative 6 end root and denominator 2 times 1 Step 3: Simplify. x is equal to the fraction with numerator negative 5 plus or minus square root of 49 and denominator 2 What are the solutions to the equation?

Answer
A
x is equal to negative 27 comma 22
B
x is equal to negative 6 comma 1
C
x is equal to negative 22 comma 27
D
x is equal to negative 1 comma 6
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