System of Equations (Set Equal)
Flashcard
•
Mathematics
•
9th Grade
•
Practice Problem
•
Hard
+2
Standards-aligned
Wayground Content
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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 that are solved together.
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
2.
FLASHCARD QUESTION
Front
What does it mean to set equations equal to each other?
Back
It means to find the point(s) where the graphs of the equations intersect by equating their expressions.
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
3.
FLASHCARD QUESTION
Front
How do you solve a system of equations by 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
4.
FLASHCARD QUESTION
Front
What does it mean if two lines are parallel in a system of equations?
Back
It means there is no solution to the system, as the lines never intersect.
Tags
CCSS.8.EE.C.8B
5.
FLASHCARD QUESTION
Front
What does it mean if two lines are the same in a system of equations?
Back
It means there are infinite solutions, as every point on the line is a solution.
Tags
CCSS.8.EE.C.8A
6.
FLASHCARD QUESTION
Front
What does it mean if two lines intersect at one point in a system of equations?
Back
It means there is exactly one solution to the system, which is the point of intersection.
Tags
CCSS.8.EE.C.8A
7.
FLASHCARD QUESTION
Front
Solve the system: y = 2x + 1 and y = 4x - 1.
Back
(1, 3)
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
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