Problem 218 of 7
Diagnose the coordinate proof error in The area of a triangle with vertices (0,0), (4,0), and (2,3) is (1/2)*4*2 = 4.
Using a hint is okay. It just tells the trainer to give you a little more review.
Hidden until you reveal it.
catch formula, arithmetic, or conclusion errors.
Hidden until you reveal it.
Worked step must contain one formula, arithmetic, or conclusion error.
Enter your answer
Your answer is equivalent to the expected form.
Walkthrough
Full solution stays hidden until you ask for it.
1. Identify the formula or criterion being used.
2. Compare the worked step to the correct formula or criterion.
3. State the error and corrected result or conclusion.
Use the worked steps, then substitute the final answer back into the original relationship to confirm it satisfies the prompt.
Saying the answer is wrong without naming the faulty reasoning.