OSAT Test Practice Test
OSAT Secondary Mathematics
Which of the following is the correct form of the quadratic formula for solving ax² + bx + c = 0?
Select your answer
A
x = (-b ± √(b²-4ac)) / 2a
B
x = (b ± √(b²+4ac)) / 2a
C
x = (-b ± √(b²+4ac)) / 2a
D
x = (-b ± √(b²-4ac)) / a
Hint