Algebra 1Please, help me!
posted by Victoria
A city map is laid out on a coordinate plane. Elm Street is described by the line x + 2y = 6. Oak street intersects Elm Street at an right angle. Which of the following could be the equation for Oak Street?
a. 2x + y = 5
b. 2x + y = 3
c. x + 2y = 4
d. x  2y = 8
My answer: d?

Reiny
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