Topic 4-1 - 4-3 Flashcardizz
Flashcard
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Mathematics
•
9th Grade
•
Hard
+1
Standards-aligned
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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 that are solved together.
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
2.
FLASHCARD QUESTION
Front
What does it mean to solve a system by elimination?
Back
It involves adding or subtracting equations to eliminate one variable, making it easier to solve for the other variable.
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
3.
FLASHCARD QUESTION
Front
What is an infinite number of solutions in a system of equations?
Back
This occurs when the equations represent the same line, meaning any point on the line is a solution.
Tags
CCSS.8.EE.C.8B
4.
FLASHCARD QUESTION
Front
What is a unique solution in a system of equations?
Back
This occurs when the equations intersect at exactly one point, providing a single solution for the variables.
Tags
CCSS.8.EE.C.8A
5.
FLASHCARD QUESTION
Front
What does it mean if a system of equations has no solution?
Back
This occurs when the equations represent parallel lines that never intersect.
Tags
CCSS.8.EE.C.8A
6.
FLASHCARD QUESTION
Front
How do you represent the number of legs of donkeys and chickens in a system of equations?
Back
Let d = number of donkeys and c = number of chickens. The equations would be: d + c = total number of animals and 4d + 2c = total number of legs.
Tags
CCSS.8.EE.C.8C
7.
FLASHCARD QUESTION
Front
What is the first step in solving a system of equations by elimination?
Back
Align the equations so that corresponding variables and constants are in the same columns.
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
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