Lesson 6 of 10

📈 Slope and Linear Equations

🎓 Grades 9–12 ⏱ ~35 minutes 🟡 Intermediate

What You'll Learn

  • Calculate slope as rise over run: m = (y₂ − y₁) / (x₂ − x₁)
  • Write linear equations in slope-intercept form: y = mx + b
  • Interpret slope and y-intercept in context
Quick Check

1. What is the slope between (1, 3) and (4, 9)?

A2
B3
C6

2. In y = −3x + 7, what is the y-intercept?

A−3
B7
C0

3. A line with slope 0 is:

AHorizontal
BVertical
CDiagonal

4. Which point lies on y = 2x − 1?

A(1, 0)
B(3, 5)
C(2, 2)