Use Determinants to Find the Area of a Triangle with the Given

question 154

Multiple Choice

Use determinants to find the area of a triangle with the given vertices and confirm your answer by plotting the points in a coordinate plane and using the formula $$\text { Area } \left. = \frac { 1 } { 2 } \text { (base) (height } \right)$$ .
(5, -3) , (2, -2) , (7, 5)

• A)21
• B)13
• C)15
• D)19
• E)17