1. Bell Ringer
Nate bought a pair of glasses for $210. His insurance plan gave him a 20% discount. If tax is 5%, how much did he pay? Discount: $210 • 0.20 = $42 Discount Cost: $210 – $42 = $168 Tax: $168 • 0.05 = $8.40 Final Cost: $168 + $8.40 = $176.40

2. Homework (-6, 6) (4, 4) (-5, -2) (1, -2) (-3, 9) (2, 2) (-8, -8)
(8, 0)
(6, -7)
(0, -8)
(7, 8)
(-3, 3)
(-8, 0)
(8, -4)
(6, 1)
(-5, -5)
(2, -7)
(2, 7)
(4, -3)
(0, 7)
Back:

3. Generating Points GRE 401: Locate points in the coordinate plane
GRE 503: Match linear graphs with their equations

4. Equations in Two Variables
y = 3x + 1
Choose values for x!
If x = 0, then
y = 3(0) + 1
y = 1
If x = 1, then
y = 3(1) + 1
y = 4 1 1 4 2 7 3 10 4 13

5. Generate Points
a. y = x b. y = 3x – 5 8 -5 1 9 1 -2 2 10 2 1
Since we can use any 3 values for x, choosing 0, 1, and 2 may be the easiest.