Name: SAT Math Help & School Math Mastery
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#20894

coordinate geometry

quadratic equations

hard

180 sec

The graph of $y = - 0.5 x^{2} + b x + c$ is shown, where $b$ and $c$ are constants. What is the value of $b c$ ?

• 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.