Retro Flashcardizz # 12 - Algebra
Flashcard
•
Mathematics
•
8th Grade
•
Practice Problem
•
Hard
+4
Standards-aligned
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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. Solutions are the points where the equations intersect.
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
2.
FLASHCARD QUESTION
Front
What does it mean if a system of equations has no solution?
Back
The lines representing the equations are parallel and never intersect.
Tags
CCSS.8.EE.C.8A
3.
FLASHCARD QUESTION
Front
What does it mean if a system of equations has infinitely many solutions?
Back
The equations represent the same line, so every point on the line is a solution.
Tags
CCSS.8.EE.C.8A
4.
FLASHCARD QUESTION
Front
How do you find the slope of a line from its equation?
Back
In the equation y = mx + b, m represents the slope.
Tags
CCSS.8.EE.B.5
5.
FLASHCARD QUESTION
Front
What is the slope of the line represented by the equation y = 2x + 3?
Back
The slope is 2.
Tags
CCSS.8.EE.B.5
6.
FLASHCARD QUESTION
Front
What is the y-intercept in the equation y = mx + b?
Back
The y-intercept is the value of y when x = 0, represented by b.
Tags
CCSS.8.EE.B.6
CCSS.8.F.A.3
7.
FLASHCARD QUESTION
Front
How do you solve the equation 10z - 4 = 2(5z - 2)?
Back
Distribute and simplify to find that it is an identity, meaning it is true for all values of z.
Tags
CCSS.8.EE.C.7A
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