8th Grade Math
Solve: 3 + a = 10
a = 7
Operations in math are called...
What is add, subtract, multiply, or divide?
y = mx + b
What is the slope-intercept form of a linear equation?
The distance from zero on a number line.
What is absolute value?
Solve: 6 = y - 3
y = 9
Mean
What is the average?
If a line is parallel to another, it has _____ slope
...the same slope.
Solve: 4 + 2c = 8
c = 2
Median
What is the middle (after placing the numbers in order from least to greatest.)
Whole numbers and their opposites.
What are integers?
Solve: 15 = 3d-3
d = 6
Mode
What is the most frequently occurring number in a data set?
Equation for slope
What is m = (y2 - y1)/(x2 - x1)
Numbers that include radicals that are NOT perfect squares...and pi
What are irrational numbers?
Solve: -3(x+5) = 2x-5
x = -2
Rational number
What is a number that can be expressed as a ratio, a/b, where b is not 0.
Is it a positive or negative slope?
What is -1/2; negative.
Find the slope of the line passing through the following points: (-4, 0) and (-3, -2).
What is -2.
The only number in the English language that is spelled with same number of letters as the number itself...
What is 4 (four)?