# Unit 5 Lesson 5 Recorded

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### Lesson 5: Slope-Intercept Form :

Lesson 5: Slope-Intercept Form

### Slide 2:

Slope-Intercept Form y = mx + b slope y-intercept slope = m = 1/3 y-intercept = b = 2 up1 right 3

### Slide 3:

EX Identify the slope and y-intercept of the line. a. y = 2x - 5 slope = 2 y-intercept = -5 b. 4x + y = 6 -4x -4x y = -4x + 6 slope = -4 y-intercept = 6

### Slide 4:

EX Graph the equation 2x + y = 3 2x + y = 3 -2x -2x y = -2x + 3 slope = -2 y-intercept = 3 • 1 down 2 right 1 •

### Slide 5:

EX Graph the equation x + 2y = 4 x + 2y = 4 -x -x 2y = -x + 4 y-intercept = 2 • down 1 right 2 • 2 2 2

### Slide 6:

parallel lines – lines in the same plane that do not intersect. They have the same slope. EX y = 2x + 3 y = 2x - 4

### Slide 7:

EX Determine which of the lines are parallel. a. (-1, -1) (2, 0) b. (0, -3) (5, -1) c. (-2, -5) (4, -3) Line a and line c are parallel because they have the same slope.