Name: SAT Math Help & School Math Mastery
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#21000

equations

quadratic equations

hard

240 sec

Calculator OK

$4 x^{2} + k x + 9 = 0$
In the given equation, $k$ is an integer constant. If the equation has no real solution, what is the greatest possible value of $k$ ?

• 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.