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System of Linear Equations

Concept Quizzes

System of Linear Equations Warmup
System of Linear Equations - Substitution
System of Linear Equations - Elimination
System of Linear Equations - More Variables
System of Linear Equations Word Problems
System of Linear Equations - Problem Solving

Challenge Quizzes

System of Linear Equations: Level 1 Challenges
System of Linear Equations: Level 2 Challenges
System of Linear Equations: Level 3 Challenges

System of Linear Equations Warmup

How many solutions are there for this system of equations? $\begin{aligned} x + y = 4\\ x + y = 6 \end{aligned}$

0 1 Infinity

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by Brilliant Staff

Lines $a, b,$ and $c$ represent three different linear equations. What is the solution for the system of $a$ and $c?$

(3,-3) (-3,3) (1,5) (5,1)

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by Brilliant Staff

Two of these lines intersect at a point with positive coordinates. Which two?

A: $y = -3x -2$

B: $y = 3x -2$

C: $y = 0.5x +1$

D: $x = -3$

A and B A and C B and C B and D

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by Brilliant Staff

Find $xy$ if $2x + 4y = 2$ and $y - x = 5$ .

-6 5 6 -5

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by Brilliant Staff

How many $(x, y)$ pairs are solutions for both of these equations?

$\begin{aligned} x + 2y &= 4 \\ 3x + 6y &= 12 \end{aligned}$

0 1 2 infinitely many

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by Brilliant Staff

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