13
QuizMultiple Choice
Unit Test
Question 13 of 15 • KISD SS-3391A-Algebra II Honors A
Galena is solving the following system.Step 1: She multiplies equation (3) by 3 and adds it to equation (1). Step 2: She multiplies equation (3) by –7 and adds it to equation (2). Which statement explains Galena’s mistake?
Answer
A
She added equation (1) instead of equation (2) in step 1.B
She did not multiply equation (3) in step 1 by the correct value.C
She did not multiply equation (3) in step 2 by the correct value.D
She added equation (2) instead of equation (1) in step 2.