7
QuizMultiple Choice
Using Addition to Solve Systems
Question 7 of 10 • (AG Q3) Math 8: 25-26 (JTurner)
Petro was given this system of equations. Petro’s work is shown in the table. Where, if anywhere, did Petro first make a mistake? StepsPetro’s WorkStep 1Step 2Step 3
Answer
A
step 1B
step 2C
step 3D
no mistake