1. Aim: How do we find points of intersection? What is slope? Do Now: Is the function odd, even or neither? 1)y - x² = 7 2)y = 6x - x⁷ 3)y = √ x⁴ - x⁶ 4)Find the x and y intercepts for: y = x -1 x - 2

2. HW #4 pg 10 #43,45,47 pg 17 #1,3,5,31,33,35 Finding the intersection of 2 functions 1)If possible get y by itself on the left side of the equation. 2) Set the right sides equal to each other 3) Solve for x (usually involves factoring)

3. Example: y = x² -3 and y - x = -1

4. Try these: 1)x² - y = 3 and x – y = 1 2)x² + y = 7 and 2x – y = 1

5. What is slope? What is the formula for slope? What is the slope-intercept form of an equation?

6. You can also write an equation in point – slope form. Point- Slope Form y – y₁ = m(x - x₁) So, if an equation of a line has a slope of 3 and passes through point (1,-2), how could you write this using the point-slope form? Slope-intercept form?

7. Try these examples: write in both forms. 1)Passes through point (-3,3) slope of 2 2)Passes through point (0,4) slope of -1 3) Passes through point (-2, 4) slope of -3/5

8. Slopes of Parallel lines? Perpendicular Lines?