4-1 Gradient
4-1 Gradient ANS KEY

4-2 Gradient-Intercept Form of a Line
4-2 Gradient-Intercept Form of a Line ANS KEY

4-3 Standard Form of a Line
4-3 Standard Form of a Line ANS KEY

4-4 Determining a Point on a Line
4-4 Determining a Point on a Line ANS KEY

4-5 Finding x and y intercepts, and graphing linear equations
4-5 Finding x and y intercepts, and graphing linear equations  ANS KEY

4-6 Unit 4 Quiz Review
4-6 Unit 4 Quiz Review ANS KEY

4-8 Linear Relationships
4-8 Linear Relationships ANS KEY

4-9 Practice with Linear Relationships
4-9 Practice with Linear Relationships ANS KEY

4-10 System of Equations
4-10 System of Equations ANS KEY

4-11 Midpoint & Distance Formulas
4-11 Midpoint & Distance Formulas ANS KEY

4-12 IB Questions
4-12 IB Questions ANS KEY

4-13 Unit 4 Test Review
4-13 Unit 4 Test Review ANS KEY

4-14 Unit 4 Test Review #2
4-14 Unit 4 Test Review #2 ANS KEY