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by BlastRoom
Solving a system by isolating one variable and substituting it into the other equation.
#algebra_i
40 questions
One question set, multiple game modes. Tap any game to see it in action. Not sure which to pick?
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More correct answers pulls the rope your way.
Answer, then shoot down the alien wave.
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Use substitution to solve the system y = -2x - 2 and x + 2y = -4. What is the solution?
Isolate a variable in 3x + y = -2, then substitute into x + 3y = 2. What is the solution of the system?
In the system x - 3y = 1 and -2x - 3y = 7, which variable is easiest to isolate, and why?
Solve the system y = -2x - 5 and 3x + y = -7 by substitution. What is the solution?
Solving the system y = -2x - 2 and x + y = -4 by substitution gives x = 2. What is the value of y?
Use substitution to solve the system y = -2x - 5 and 2x - y = -7. What is the solution?
Use substitution to solve the system y = -x - 5 and x + 3y = -15. What is the solution?
Solve the system x = y - 3 and 2x + y = -18 by substitution. What is the solution?
In the system x - 4y = -17 and -4x + 4y = 20, which variable is easiest to isolate, and why?
Neither equation of the system -2x + y = 5 and -x + 3y = 10 is solved for a variable yet. Solving by substitution gives which ordered pair?
Isolate a variable in x - 2y = -11, then substitute into 2x - 2y = -12. What is the solution of the system?
A system is made of y = -3x - 1 and 2x + 3y = -10. Solving it by substitution gives which ordered pair?
Isolate a variable in x + 3y = 2, then substitute into 3x + 2y = -1. What is the solution of the system?
Neither equation of the system -3x + y = -9 and x + 2y = 10 is solved for a variable yet. Solving by substitution gives which ordered pair?
Isolate a variable in -3x + y = -11, then substitute into -x + 2y = 3. What is the solution of the system?
Isolate a variable in -2x + y = 6, then substitute into -x + 3y = 13. What is the solution of the system?
Isolate a variable in x - 2y = 10, then substitute into 4x + y = 13. What is the solution of the system?
Isolate a variable in x - 2y = -6, then substitute into 2x + y = 8. What is the solution of the system?
Solve the system x = y - 5 and x + 2y = 7 by substitution. What is the solution?
In the system x - 3y = -7 and -2x + 4y = 10, which variable is easiest to isolate, and why?
Use substitution to solve the system x = y - 5 and 3x + y = 1. What is the solution?
Isolate a variable in x - 3y = 9, then substitute into 2x - 2y = 6. What is the solution of the system?
Solve the system x = y + 2 and x + 3y = 10 by substitution. What is the solution?
Use substitution to solve the system x = y + 3 and 3x + y = 5. What is the solution?
Solve the system y = -x - 4 and x + 3y = -18 by substitution. What is the solution?
Isolate a variable in x - 2y = 8, then substitute into 4x + y = 14. What is the solution of the system?
Solving the system y = 3x - 5 and 3x + y = -23 by substitution gives x = -3. What is the value of y?
Use substitution to solve the system y = -3x - 5 and x + 2y = -15. What is the solution?
Solve the system y = -2x - 1 and 2x - y = -11 by substitution. What is the solution?
A system is made of x = y + 4 and 2x + y = 17. Solving it by substitution gives which ordered pair?
Solving the system y = -2x and 3x + y = -1 by substitution gives x = -1. What is the value of y?
Solving the system y = -2x - 6 and 3x - 2y = 26 by substitution gives x = 2. What is the value of y?
In the system x - 3y = -14 and -2x - 3y = -8, which variable is easiest to isolate, and why?
Solving the system y = 2x - 3 and 3x + y = 7 by substitution gives x = 2. What is the value of y?
Solving the system y = -x + 3 and 2x + 3y = 8 by substitution gives x = 1. What is the value of y?
Use substitution to solve the system x = y - 5 and x + y = -3. What is the solution?
Neither equation of the system -3x + y = -12 and x + 4y = 17 is solved for a variable yet. Solving by substitution gives which ordered pair?
A system is made of x = y - 6 and 2x + y = -21. Solving it by substitution gives which ordered pair?
In the system x - 4y = -6 and -4x + 3y = 11, which variable is easiest to isolate, and why?
In the system x - 4y = -4 and -3x - 2y = -16, which variable is easiest to isolate, and why?
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Answer, then swat bugs for bonus points.
Race through questions at your own speed.
Same question on every screen. Fastest wins.
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Elimination with Multiplication
40 questions
