Name: SAT Math Help & School Math Mastery
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#31741

linear equations

slopes

coordinate geometry

easy

30 sec

Line $k$ has an equation $y = 2 x - 7$ . Line $m$ is perpendicular to line $k$ in the $x y$ -plane. What is the slope of line $m$ ?

• 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.