8th Grade Geometry
8th Grade Math
8th Grade Graphing
Solving Systems
Trivia
100
Sliding a figure down 2 units and right 3 units is called a....
What is translation
100
Solve: -3(x + 5) = 2x - 5
x = -2
100
y = mx + b
What is the slope-intercept form of a linear equation?
100
7y = 2x +6
x= 3y
Solve by using substitution
(18,6)
100
The distance from zero on a number line.
What is absolute value?
200
Flipping a figure over the y-axis is called...
What is reflection?
200
Mean
What is the average?
200
The slope of the line with the points (0,4) and (0,6)
What is m=undefined
200
x - 5y = 6
8x - 8y = -16
Solve by substitution
(-4,-2)
200
If a line is parallel to another, it has _____ slope
...the same slope.
300
Turning a figure 90 degrees clockwise about the origin
What is rotation?
300
Median
What is the middle (after placing the numbers in order from least to greatest.)
300
Slope of the line that passes through (2,6) and (4,6).
What is m=o
300
4x - 4y = 4
x + 4y = -14
Solve using elimination
(-2, -3)
300
The distance from the center of the circle to the outer edge
What is the radius?
400
The collective term for translations, reflections, and rotations
What are transformations?
400
Mode
What is the most frequently occurring number in a data set?
400
Equation for the line
What is y = -2/1 x + 3
400
6x - 3y= -8
-6x +3y = 5
Solve using any system
NO SOLUTIONS
400
Is the following a function?
1 ---> 7
2 ---> 9
3 ---> 11
4 ---> 12
YES! Every input has one output!
(It is not linear, but still a function)
500
If a figure is in the first quadrant and you rotate it 180 degrees clockwise around the origin, what quadrant will it be in now?
What is the 3rd quadrant?
500
Dalia bought a few swirl marbles and divided it equally among four of her friends and her brother, Jake. While playing, Jake lost 2 marbles and has only 7 marbles at present. Write an equation and find out how many marbles Dalia bought.
(x/5) - 2 = 7
45 Marbles
500
Name the slope of the following line. y = -1/2x + 8
Is it a positive or negative slope?
What is -1/2; negative.
500
The senior class at High School A rented and filled 2 vans and 1 bus with 75 students. High School B rented and filled 4 vans and 6 buses with 370 students. Every van had the same number of students in it as did the buses. How many students can a van carry? How many students can a bus carry?
Van: 10 students
Bus: 55 students
500
The only number in the English language that is spelled with same number of letters as the number itself...
What is 4 (four)?