Finding Equations for Systems of Equations: An Algebraic Proof

Interactive Video
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Mathematics
•
9th - 10th Grade
•
Hard
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7 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a linear system of equations?
A set of equations with different variables
A set of equations with no solutions
A set of two or more linear equations with the same unknowns
A single equation with multiple solutions
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How can you find the solution to a linear system graphically?
By adding the equations together
By substituting values into the equations
By calculating the slope of each line
By finding the point where the lines intersect
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why are examples not sufficient to prove a mathematical statement?
Examples are only valid for specific cases
Examples can be misleading
Examples are too complex
Examples are not mathematical
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens when you replace one equation in a system with the sum of that equation and a multiple of another?
The system has different solutions
The system has no solutions
The system retains the same solutions
The system becomes inconsistent
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the purpose of using a variable like 'G' in the algebraic proof?
To eliminate variables
To make the proof more complex
To ensure the proof is valid for any number
To simplify the equations
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the result of simplifying the equation in the proof?
An equation with no variables
A contradiction
An identity showing the same solution
A new equation with different solutions
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the key takeaway from the lesson on algebraic proofs?
Examples are the best way to prove statements
Equations can be replaced without changing solutions
Algebraic proofs are only for complex systems
Proofs are unnecessary in mathematics
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