Common Difference
Constant Ratio
First Differences
Second Differences
Third Differences
100
What is the common difference: 0,4,8,12
+4
100
What is the constant ratio: 1,5,25,125
x5
100
How do you find the first difference from a table?
subtract the y values
100
What is the quadratic form?
y=ax2+bx+c
100
What type of equations have third differences?
Exponential
200
What is the common difference: 5,11,17,23
+6
200
What is the common ratio: 1,2,4,8
x2
200
What type of function is formed when a table has the same first differences?
Linear
200
What does c represent in the quadratic standard form?
c is the y intercept
200
6a+2b = ______?
2nd common difference
300
What is the common difference: -2,0,2,4,6
+2
300
What is the constant ratio: -5, -10, -20, -40
x2
300
What is the slope intercept form?
y=mx+b
300
Will the first difference(s) be the same for quadratic tables?
No, the second difference will.
300
What is the highest exponent value in a cubic equation?
power of 3
400
What is the common difference: -10, -5, 0, 5, 10
+5
400
What is the constant ratio: 1, -5, 25, -125
Multiplying by -5
400
How do you locate the y intercept on a table?
Wherever x=0 ; the y - value.
400
How many differences do we use for quadratic scenarios?
2
400
What is the third difference of the table?
6
500
What is the common difference: -10, -20, -30, -40
-10
500
What is the constant ratio: 10, -100, 1000, -10000
multiplying by -10
500
What is the 1st linear difference?
+3
500
What is the value of the second difference
What is 2?
500
What is the equation?
Equation: y=x3-1