Mathematics
Systems of Linear Equations in Two Variables
Grade 8 · Middle School
Answer every question first, then press Finish to see your score and explanations.
- Question 1 of 20Easy
Given the system and . The value of is ...
- Question 2 of 20Easy
The pair satisfies the equation ...
- Question 3 of 20Easy
Given and . The value of is ...
- Question 4 of 20Easy
If and , the value of is ...
- Question 5 of 20Easy
Given . If , the value of is ...
- Question 6 of 20Easy
Given and . The value of is ...
- Question 7 of 20Medium
The solution of the system and is ...
- Question 8 of 20Medium
Given . If , the value of is ...
- Question 9 of 20Medium
The solution of the system and is ...
- Question 10 of 20Medium
The sum of two numbers is 20 and their difference is 4. The larger number is ...
- Question 11 of 20Medium
The price of 3 pens and 2 books is Rp13,000. If one pen costs Rp1,000, the price of one book is ...
- Question 12 of 20Medium
The solution of the system and is ...
- Question 13 of 20Medium
The price of 2 kg of apples and 1 kg of oranges is Rp50,000. If 1 kg of apples costs Rp15,000, the price of 1 kg of oranges is ...
- Question 14 of 20Medium
The solution of the system and is ...
- Question 15 of 20Hard
The price of 2 adult tickets and 3 child tickets is Rp130,000. One adult ticket and one child ticket cost Rp55,000. The price of one adult ticket is ...
- Question 16 of 20Hard
Given the system and . The value of is ...
- Question 17 of 20Hard
A parking lot has 20 vehicles consisting of motorcycles (2 wheels) and cars (4 wheels). The total number of wheels is 56. The number of cars is ...
- Question 18 of 20Hard
The solution of the system and is ...
- Question 19 of 20Hard
The sum of two numbers is 45 and their difference is 9. The product of the two numbers is ...
- Question 20 of 20Hard
The system and has no solution. The value of is ...