Yes, she correctly solved the system of equations. No, she made an error in step 1. The y variable should have been eliminated when adding the system of equations.No, she made an error in step 2. She should have found y = 0.5. No, she substituted y into the wrong equation to solve for x in step 3.
Answer
A
Yes, she correctly solved the system of equations.
B
No, she made an error in step 1. The y variable should have been eliminated when adding the system of equations.
C
No, she made an error in step 2. She should have found y = 0.5.
D
No, she substituted y into the wrong equation to solve for x in step 3.