Real Numbers
A decimal that goes on forever without repeating
What is an Irrational Number?
A symbol for an unknown value, usually X or Y
What is a variable?
A relationship where two quantities vary directly from each other
What is a Proportional Relationship?
Where a line crosses the Y-Axis of a graph
What is the Y-Intercept?
The average in a data set
What is Mean?
Least to Greatest: -25, 43, -5, 1/2, 90%
What is -25, -5, 1/2, 90%, 43?
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What is Less Than?
y = 7x
What is Proportional?
y = mx + b
What is Slope-Intercept Form?
M.A.D.?
What is Mean Absolute Deviation?
1.41 x 108
What is 141,000,000?
A fixed value in an Equation
What is a Constant Number?
Proportional? {(2,1) (4,2) (6,3) (8,4) (10,5)}
Yes, Proportional
A Test that determines if a curve represents a Function on a graph?
What is the Vertical Line Test?
5, 10, 15, 20, 25
What is the MAD is 6?
Area of a square rug is 14 sq in., what is one side length?
What is 3.7 in.?
Solve for x: 7x = 5x - 10
What is x = -5?
Slope: (2,0) (2,2)
Undefined
Function? {(2,7) (5,7) (6,7)}
Yes, Function
8, 9, 23, 45, 50
What is the MAD is 16.4?
-6 + 7 + -9 + 10 - 6 =
What is -4?
Solve for x: 5x + 10 = 7x - 14
What is x = 12?
Slope: (3,6) (9,18)
What is 2?
Function? {(1,8) (2,8) (2,9) (3,7)}
No, Not a Function
What is the capital of California?
What is Sacramento?