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- 1. Multiple Choice
What is the first step to solve a system with substitution?
Substitute the values found from the previous step into one of the original equations and solve for the remaining variable
Solve the linear system for both its variables
Solve one equation for one of its variables
Substitute the expression from the previous step in the other two equations to obtain a linear system in two variables
- 2. Multiple Choice
What is the second step to solve a system with substitution?
Substitute the values found from the previous step into one of the original equations and solve for the remaining variable
Solve the linear system for both its variables
Solve one equation for one of its variables
Substitute the expression from the previous step in the other two equations to obtain a linear system in two variables
- 3. Multiple Choice
What is the third step to solve a system with substitution?
Substitute the values found from the previous step into one of the original equations and solve for the remaining variable
Solve the linear system for both its variables
Solve one equation for one of its variables
Substitute the expression from the previous step in the other two equations to obtain a linear system in two variables
- 4. Multiple Choice
What is the final step to solve a system with substitution?
Substitute the values found from the previous step into one of the original equations and solve for the remaining variable
Solve the linear system for both its variables
Solve one equation for one of its variables
Solve one equation for one of its variables
- 5. Multiple Choice
If a system of equations has no solution, what does the graph look like?
Intersecting lines
Parallel Lines
No lines
The same line twice
- 6. Multiple Choice
The solution of a system of linear equations is...
the y-intercept (b)
the intersection of the two equations on a graph
the second equations' answers
the slope (m)
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- 7. Multiple Choice
Simplify 5(2 - 7n)
Simplify 5(2 - 7n)
10 - 35n
- 8. Multiple Choice
Simplify 6(x + -2)
6x + -2
6x + -12
- 9. Multiple Choice
Distribute -7(x + 3)
7x + 21
-7x - 21
- 10. Multiple Choice
Distribute -5(x + 3)
5x + 15
-5x - 15
- 11. Multiple Choice
Solve for x and y using the substitution method.
5x + 3y = 7
y = 4
(4,1)
(4,-1)
(1,4)
(-1,4)
- 12. Multiple Choice
Solve the system by using the substitution method
(3,6)
(6,3)
(1,4)
(4,1)
- 13. Multiple Choice
Solve the following systems of equations using substitution:
2y + x = -15
x = 3y
(-3,-9)
(-9,-3)
(-3,9)
(9,-3)
- 14. Multiple Choice
Solve the system of equations using the substitution method
(-2,6)
(6,-2)
(-2,4)
(4,-2)
- 15. Multiple Choice
Solve this system by substitution.
(1,-4)
(1,4)
(-4,-7)
(-7,-4)
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