Name: SAT Math Help & School Math Mastery
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#37729

functions

quadratic equations

hard

120 sec

The graph of $y = a x^{2} + b x + c$ has $x$ -intercepts at $x = - 2$ and $x = 4$ . If the graph passes through the point $(0, 16)$ , what is the value of $b$ ?

• 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.