7
QuizMultiple Choice

Finding Area on a Coordinate Plane — Quiz

Question 7 • Algebra I

A rectangle has vertices at (−3, 2), (7, 2), (7,−5), and (−3,−5). Jordan says the area of the rectangle is 70 square units. Jordan’s Work Step 1: Base: absolute value of negative 3 plus absolute value of 7 is equal to 10 Step 2: Height: absolute value of negative 5 plus absolute value of 2 is equal to 7 Step 3: Area: 10 times 7 is equal to 70 square units Which is true of Jordan’s solution?

Answer
A
Jordan is not correct because he did not add correctly before multiplying the dimensions.
B
Jordan correctly found the area of the rectangle by adding the base and the height.
C
Jordan correctly found the area of the rectangle by multiplying the base and the height.
D
Jordan is not correct because he did not find the absolute value before multiplying the dimensions.
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