Practice Exam- 9th grade 1st Exam , 2nd Semester Use the graph below to determine whether each system is or and if it is or consistent inconsistent independent dependent. 1. + = 3 x y + = x y –3 Use substitution to solve each system of equations. 2. = 2y + 7 x = + 4 x y 3. = 2x 2 y – = + 2 y x Use elimination to solve each system of equations. 4. = 1 x y – + = x y –9 5. 5x + 3y = 22 5x 2y = 2 –
Practice Exam- 9th grade 1st Exam , 2nd Semester Use the graph below to determine whether each system is consistent or inconsistent and if it is independent or dependent. 1. x + y = 3 x + y = –3 Use substitution to solve each system of equations. 2. x = 2y + 7 x = y + 4 3. y = 2x – 2 y = x + 2 Use elimination to solve each system of equations. 4. x – y = 1 x + y = –9 5. 5x + 3y = 22 5x – 2y = 2
9th_grade_1st_exam_2nd_semester.docx