Knowledge

Students will know…

• 
  The difference between equations and inequalities

• Properties of equality and inequality

• Process for solving equations

• Slope can be seen visually as a slant or steepness of a line

• Slope is

• rise/run = ∆y/∆x = yz-y₁/x₂-x₁= vertical change/horizontal change

• Slope is the constant rate of change

• Slope is the unit rate in proportional relationships

• The y-intercept is the point where the line crosses the y-axis

• Non-proportional linear relationships can be represented with y = mx+b, where b≠0

• Direct variation represents a proportional relationship, y = kx

• Academic Vocabulary

  • Direct Variation

  • Proportional vs. Non-proportional

  • Slope

  • y-intercept