Name: SAT Math Help & School Math Mastery
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#14195

equations

systems

quadratic equations

hard

75 sec

In the $x y$ -plane, the graph of $y = x^{2} + x$ intersects the graph of $y = 3 x$ at the points $(0, 0)$ and $(k, 3 k)$ . What is the 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.