Modeling and Analyzing Quadratic Functions: Quadratic Equations — Test
Question 22 • Algebra: Concepts and Connections
Which shows the correct substitution of the values A , b , and c from the equation 0 is equal to 4 x squared plus 2 x minus 1 into the quadratic formula below? 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
x is equal to the fraction with numerator negative 2 plus or minus square root of 2 squared minus 4 4 negative 1 end root and denominator 2 times 4
B
x is equal to the fraction with numerator negative 2 plus or minus square root of 2 squared minus 4 4 1 end root and denominator 2 times 4
C
x is equal to the fraction with numerator negative 2 plus or minus square root of 2 squared plus 4 4 negative 1 end root and denominator 2 times 4
D
x is equal to the fraction with numerator negative 2 plus or minus square root of negative 2 squared minus 4 4 negative 1 end root and denominator 2 times 4