Mathematics

Systems of Linear Equations & Inequalities

Grade 10 · High School

Answer every question first, then press Finish to see your score and explanations.

Question 1 of 20Easy
The solution set of the system $x + y = 7$ and $x - y = 1$ is ...
Question 2 of 20Easy
Given $x + y = 10$ and $y = 3$ , the value of $x$ is ...
Question 3 of 20Easy
The value of $x$ satisfying $2 x + 3 = 11$ is ...
Question 4 of 20Easy
The solution of the inequality $x + 3 < 8$ is ...
Question 5 of 20Easy
Given $x - y = 2$ and $x = 5$ , the value of $y$ is ...
Question 6 of 20Easy
The value of $x$ satisfying $5 x = 20$ is ...
Question 7 of 20Medium
The solution of the system $2 x + y = 8$ and $x - y = 1$ is ...
Question 8 of 20Medium
Given $3 x + 2 y = 12$ and $x = 2$ , the value of $y$ is ...
Question 9 of 20Medium
The solution of the system $x + 2 y = 8$ and $2 x - y = 6$ is ...
Question 10 of 20Medium
The solution of the inequality $- 2 x + 4 > 10$ is ...
Question 11 of 20Medium
The value of $x$ satisfying $2 x - 5 = 3 x + 1$ is ...
Question 12 of 20Medium
The sum of two numbers is 20 and their difference is 4. The larger number is ...
Question 13 of 20Medium
The solution of the system $3 x + y = 11$ and $x - y = 5$ is ...
Question 14 of 20Medium
The solution of the inequality $3 x - 2 \leq 7$ is ...
Question 15 of 20Hard
The solution of the system $2 x + 3 y = 12$ and $3 x + 2 y = 13$ is ...
Question 16 of 20Hard
Concert tickets cost Rp15,000 for adults and Rp10,000 for children. 50 tickets were sold for a total of Rp650,000. How many adult tickets were sold?
Question 17 of 20Hard
The solution of the inequality $2 \leq 3 x - 1 < 8$ is ...
Question 18 of 20Hard
The system $2 x + y = 5$ and $x + a y = 4$ has the solution $x = 2$ . The value of $a$ is ...
Question 19 of 20Hard
Given $x + y = 12$ and $x^{2} - y^{2} = 24$ , the value of $x y$ is ...
Question 20 of 20Hard
The system $a x + 2 y = 4$ and $2 x + y = 3$ has no solution. The value of $a$ is ...

0/20 answered