10
QuizMultiple Choice
Solving Quadratic Equations: Quadratic Formula — Unit test
Question 10 • ASC Algebra I B MA272
A rectangle’s width is 2 meters shorter than its length, l. Its area is 168 square meters. Which equation can be used to find the length of the rectangle?
Answer
A
l(l – 2) = 168B
l(l + 2) = 168C
2l 2 = 168D
l 2 = 168