Solving Systems by Substitution [easy]

Flashcard
•
Mathematics
•
8th - 9th Grade
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
What is a system of equations?
Back
A set of two or more equations with the same variables.
2.
FLASHCARD QUESTION
Front
What does it mean to solve a system of equations?
Back
Finding the values of the variables that satisfy all equations in the system.
3.
FLASHCARD QUESTION
Front
What is substitution in solving systems of equations?
Back
Replacing one variable with an expression from another equation.
4.
FLASHCARD QUESTION
Front
If y = 2x + 3 and y = 5, what is the value of x?
Back
x = 1.
5.
FLASHCARD QUESTION
Front
What is the solution to the system: y = 3x + 1 and y = 7?
Back
(2, 7).
6.
FLASHCARD QUESTION
Front
What does it mean if a system has no solution?
Back
The lines represented by the equations are parallel and never intersect.
7.
FLASHCARD QUESTION
Front
What does it mean if a system has infinitely many solutions?
Back
The equations represent the same line, so every point on the line is a solution.
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