Solving System Of Equations By Elimination -Multiple Choice Questions Quiz

Interactive MCQs on the topic “Solving System Of Equations By Elimination”:

Solve the following 10 questions: Only one option is correct. Click on the “Submit” button when done. Click on the “embed” button to use this quiz on your website. Click on “WhatsApp” to share this quiz.

Question 1:What is the main goal of the elimination method?

(A) To graph both lines
(B) To isolate both variables
(C) To eliminate one variable
(D) To factor both equations

Question 2:What do you do if the coefficients of a variable are already opposites?

(A) Add the equations
(B) Subtract the equations
(C) Multiply both equations
(D) Factor the equations

Question 3: Solve: 2x + 3y = 12 and –2x + y = 4. What is y?

(A) 2
(B) 4
(C) 6
(D) 8

Question 4:Solve: x + y = 5 and x – y = 3. What is x?

(A) 4
(B) 3
(C) 2
(D) 5

Question 5:When should you multiply one or both equations before using elimination?

(A) To isolate y
(B) To graph them
(C) To change both equations
(D) To create matching/opposite coefficients

Question 6:Solve: 3x + 2y = 16 and 2x – 2y = 4. What is x?

(A) 2
(B) 4
(C) 6
(D) 8

Question 7:What happens if elimination gives a false statement like 0 = 5?

(A) No solution
(B) Infinitely many solutions
(C) One solution
(D) System is nonlinear

Question 8:What if elimination gives a true statement like 0 = 0?

(A) One solution
(B) No solution
(C) Infinitely many solutions
(D) System is inconsistent

Question 9:Solve: 4x + y = 9 and –4x + 2y = 6. What is y?

(A) 3
(B) 4
(C) 6
(D) 5

Question 10:Which of the following systems would be best solved by elimination?

(A) x = 3y – 2 and y = x + 5
(B) 2x + y = 7 and –2x + 3y = 1
(C) y = 2x + 1 and x = y – 4
(D) x² + y² = 25 and x – y = 3