4B.3 Day 2 Solving System of Equation Word Problems
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Mathematics
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9th Grade
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Hard
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1.
FLASHCARD QUESTION
Front
What is a system of equations?
Back
A system of equations is a set of two or more equations with the same variables. The solution is the point(s) where the equations intersect.
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
2.
FLASHCARD QUESTION
Front
How do you solve a system of equations using substitution?
Back
1. Solve one equation for one variable. 2. Substitute that expression into the other equation. 3. Solve for the remaining variable.
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
3.
FLASHCARD QUESTION
Front
What is the elimination method in solving systems of equations?
Back
The elimination method 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
4.
FLASHCARD QUESTION
Front
Define 'variable' in the context of equations.
Back
A variable is a symbol (often x, y, or z) that represents an unknown value in an equation.
Tags
CCSS.6.EE.B.6
5.
FLASHCARD QUESTION
Front
What does it mean for two equations to be consistent?
Back
Two equations are consistent if they have at least one solution (they intersect at one or more points).
Tags
CCSS.8.EE.C.8B
6.
FLASHCARD QUESTION
Front
What does it mean for two equations to be inconsistent?
Back
Two equations are inconsistent if they have no solutions (they are parallel and never intersect).
Tags
CCSS.8.EE.C.8A
7.
FLASHCARD QUESTION
Front
What is a word problem in mathematics?
Back
A word problem is a mathematical problem expressed in words rather than numbers or symbols, requiring interpretation to formulate an equation.
Tags
CCSS.8.EE.C.7B
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