Linear Relationship
What makes a relationship linear?
Adding/Subtracting pattern, a straight line, an equation with no exponents.
What is the average rate of change formula?
Slope! m= y2-y1 / x2-x1
What are the two types of sequences we talked about this Unit?
Arithmetic and Geometric
What buttons do you press in the menu to get the linear regression equation?
Menu, 4, 1, 3
What is Ms. Craig's favorite animal?
Llamas/alpacas
What are the two components of of y=mx+b called?
m is slope, b is y-intercept
What is average rate of change also called?
Slope
If Arithmetic = Linear, then Geometric = ___________
Exponential
What is the r value called?
Correlation Coefficient
What is this room number?
124
Is the following table linear? (CRAIG- put up the table)
Yes!
Find the slope between the points (1, 5) and (8, 2)
m= -3/7
What is the key component to an arithmetic sequence? (Common _______)
Common difference
Strong positive
How many questions are on the test tomorrow?
11
Rearrange 3x+2y=10 to put it in slope-intercept form
y=3/2x + 5
Calculate the average rate of change between 2 and 5 seconds. (CRAIG- put up the table!) (Give answer as a decimal)
0.7
Find a12 for the following arithmetic sequence: 1, 4, 7, 10...
34
What are two ways the question might be phrased if they want the y=mx+b equation?
"Linear regression equation" or "Line of best fit"
What sports does Ms. Craig coach?
Basketball and Track
y-5=2(x-1) OR y=2x+3
Find the equation of the line in slope-intercept form that passes through the points (4, 6) and (3, 1)
y=5x-14
Is the following sequence arithmetic or geometric?
4, 8, 16, 32...
Geometric
Find the line of best fit for the table below? Round all values to the nearest hundredth. (CRAIG- put up the table)
y=0.42x+0.57
What is something Ms. Craig says all the time? (Many answers will be accepted)
Answers will vary