1. 8th grade math end of year review
Created by Educational Technology Network
8th grade math end of year review

2. Functions
Solving Linear Equations
Solving Systems of Equations
Transformations & Congruence
Transformations & Similarity 10 10 10 10 10 20 20 20 20 20 30 30 30 30 30 40 40 40 40 40 50 50 50 50 50

3. Module 6 – 10 Points QUESTION: ANSWER:
A ______________ assigns exactly one output to each input.
ANSWER:
Function

4. Module 6 – 20 Points QUESTION: ANSWER:
The value that is put into a function is the ________ and the result is the ___________. (Vending machine!)
ANSWER:
Input ; Output

5. Module 6 – 30 Points QUESTION: ANSWER:
To check to see if a table represents a function, look for __________ ___________.
ANSWER:
Repeated inputs

6. Module 6 – 40 Points QUESTION: ANSWER:
When looking at a graph, what must a line pass to be a function?
ANSWER:
Vertical Line Test

7. Module 6 – 50 Points QUESTION: ANSWER: Can a function be non-linear?
Yes, as long as it passes the VLT (example would be a quadratic function which is U-shaped)

8. Module 7 – 10 Points QUESTION: ANSWER:
The goal of any equation is to _____________ the variable.
ANSWER:
isolate (The Cheese Stands Alone!)

9. Module 7 – 20 Points QUESTION: ANSWER:
In order to isolate the variable, you must use ________ operations. For example, if you see addition you need to subtract.
ANSWER:
inverse

10. Module 7 – 30 Points QUESTION: ANSWER:
When you see the same variable on both sides of the equals sign, you need to take the ___________ to the __________.
ANSWER:
smaller ; larger

11. Module 7 – 40 Points QUESTION: ANSWER:
If your variables cancel each other and the remaining constants are different there is ___ _______________.
ANSWER:
no solution

12. Module 7 – 50 Points QUESTION: ANSWER:
7(3x + 4) = 21x + 28 is an example of the ___________ _____________.
ANSWER:
Distributive Property

13. Module 8 – 10 Points QUESTION: ANSWER:
Two or more linear equations make up a ____________ ___ ______________.
ANSWER:
System of Equations

14. Module 8 – 20 Points QUESTION: ANSWER:
The solution of a system of equations is an ____________ ______.
ANSWER:
ordered pair

15. Module 8 – 30 Points QUESTION: ANSWER: Parallel lines have:
One solution
No solution
Infinitely many solutions
ANSWER:
B ; no solution

16. Module 8 – 40 Points QUESTION: ANSWER:
Two methods of solving systems of equations graphically are __________________ and _______________.
ANSWER:
Substitution and Elimination

17. Module 8 – 50 Points QUESTION: ANSWER:
When using elimination, if coefficients are the same you should ____________ and if coefficients are opposite you should ______.
ANSWER:
subtract; add

18. Module 9 – 10 Points QUESTION: ANSWER:
Any change in the position, size, or shape of a figure is known as a ________________.
ANSWER:
transformation

19. Module 9 – 20 Points QUESTION: ANSWER:
A transformation that slides a figure along a straight line is called a ________________.
ANSWER:
translation

20. Module 9 – 30 Points QUESTION: ANSWER:
A transformation that flips a figure across a line is called a ________________.
ANSWER:
reflection

21. Module 9 – 40 Points QUESTION: ANSWER:
A transformation that turns a figure around a given point is called a _____________.
ANSWER:
rotation

22. Module 9 – 50 Points QUESTION: ANSWER:
(x, y) → (y, -x) represents a ____________ rotation
(x, y) → (-y, x) represents a ____________ rotation
(x, y) → (-x, -y) represents a ___________ rotation
ANSWER:
90° clockwise
90° counterclockwise
180°

23. Module 10 – 10 Points QUESTION: ANSWER:
A ____________ changes the size but not the shape of a figure.
ANSWER:
dilation

24. Module 10 – 20 Points QUESTION: ANSWER:
Dilations create what kind of figures?
ANSWER:
Similar

25. Module 10 – 30 Points QUESTION: ANSWER:
If a figure gets larger, it is an _______________. If a figure gets smaller, it is a _____________.
ANSWER:
enlargement; reduction

26. Module 10 – 40 Points QUESTION: ANSWER:
The __________ _______________ describes how much the figure is enlarged or reduced.
ANSWER:
scale factor

27. Module 10 – 50 Points QUESTION: ANSWER:
Two figures are ______________ if one can be obtained from the other by a sequence of translations, reflections, rotations, and dilations.
ANSWER:
similar