# Semester 1 Review

## Links to videos and additional practice:

Links to videos and additional practice:

### Unit 2

Unit 2

- Solving Proportions
- Scale Factors
- Similar Figures
- Direct Variation
- Inverse Variation
- Domain/Range
- Function Notation

### Unit 3

Unit 3

- Solving Absolute Value Equations
- Solving Linear equations using the distributive property
- Linear equations with no solution or infinity many solutions
- Clearing Fractions
- Solving and Graphing Inequalities (on number line)
- Solving and Graphing compound Inequalities (number line)

### Unit 4

Unit 4

- Slope-Intercept form of a Line
- Point-Slope form of a Line
- Standard form of a Line
- Graphing absolute value functions

### Unit 5

Unit 5

- Residuals
- Residual Plots
- Interpreting Slope of the Regression Line, Interpreting they-intercept of the Regression Line

### Unit 6

Unit 6

- Solving Systems of Equations by Graphing
- Solving Systems of Equations by Substitution
- Solving Systems of Equations by Elimination
- Graphing Inequalities (on the coordinate plane)
- Graphing Systems of Inequalities/Compound Inequalities
- Equations of Circles
- Factoring
- Non-Linear Systems