Name: SAT Math Help & School Math Mastery
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#11894

coordinate geometry

slopes

hard

45 sec

Line $m$ is defined by $5 y + 2 x - 10 = 0$ . Line $n$ is perpendicular to line $m$ in the $x y$ -plane. What is the slope of line $n$ ?

• 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.