Solving Quadratic Equations: Quadratic Formula — Quiz
Question 8 • Algebra: Concepts and Connections
Rhett is solving the quadratic equation 0=x2−2x−3 using the quadratic formula. Which shows the correct substitution of the values a, b, and c into the quadratic formula? Quadratic formula: 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
Answer
A
the fraction with numerator negative 2 plus or minus square root of negative 2 squared minus 4 1 negative 3 end root and denominator 2 times 1
B
the fraction with numerator 2 plus or minus square root of negative 2 squared minus 4 1 negative 3 end root and denominator 2 times 1
C
the fraction with numerator negative 2 plus or minus square root of negative 2 squared minus 4 1 negative 3 end root and denominator 2 times 1
D
the fraction with numerator 2 plus or minus square root of negative 2 squared minus 4 1 negative 3 end root and denominator 2 times 1