SAT Math Practice Question #38902 - SATify | SATify
#38902
equations
quadratic equations
medium
45 sec
Calculator OK
The equation 4x2+bx+9=0 has exactly one solution. If b>0, what is the value of x for this solution?
• Up to 5 characters (6 if negative). Only numbers, decimal (.), fraction (/), negative (-). • Fractions must be in lowest terms. • Mixed numbers must be converted to improper fractions.