1. Warm Up

2. Question 1
Does the following table represent a linear relationship? If so what is the rate? and write an equation. X Y 45 1 39 4 21 6 9 7 3 -9 11
-21

3. What is the y-intercept in the following equation? Y = 4.5x + 25
Question 2
What is the y-intercept in the following equation? Y = 4.5x + 25

4. Question 3
The following equation represents a linear relationship between x and y. Describe what happens to the y value as the x value increases by 1.
y = -2x + 15

5. What is occurring at the intersection point of two linear equations?
Question 4
What is occurring at the intersection point of two linear equations?
The y- coordinate is increasing.
The x- and y- coordinates are different on both graphs.
The x- and y- coordinates are the same on both graphs.
The x- coordinate is increasing.

6. Time is up!!!
You have 45secs to trade papers!

7. Answers:
Yes, rate: -6, equation: y = -6x+45 25
Decreases by 2 C