Substitution Method Skill Check

Flashcard
•
Mathematics
•
9th - 12th Grade
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
What is the substitution method in solving systems of equations?
Back
The substitution method involves solving one equation for one variable and substituting that expression into the other equation.
2.
FLASHCARD QUESTION
Front
What is the first step in using the substitution method?
Back
Identify one equation and solve for one variable in terms of the other variable.
3.
FLASHCARD QUESTION
Front
Given the equations x = 7 - 2y and 2x + y = 5, what is the first step?
Back
Substitute x in the second equation: 2(7 - 2y) + y = 5.
4.
FLASHCARD QUESTION
Front
What does it mean if a system of equations has infinite solutions?
Back
It means that the equations represent the same line, and there are countless points that satisfy both equations.
5.
FLASHCARD QUESTION
Front
What does it mean if a system of equations has no solution?
Back
It means that the equations represent parallel lines that never intersect.
6.
FLASHCARD QUESTION
Front
In the equation 0 = 0, what type of solution does it represent?
Back
It represents infinite solutions, as any value for the variable will satisfy the equation.
7.
FLASHCARD QUESTION
Front
In the equation -5 = 52, what type of solution does it represent?
Back
It represents no solution, as the equation is false.
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