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
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:
Generating Points GRE 401: Locate points in the coordinate plane GRE 503: Match linear graphs with their equations
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
Generate Points a. y = x + 8 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.