Find the slope and y-intercept of the following linear equations:
{"Image DocumentName": "Find the slope and y-intercept of the following linear equations:", "Image ImageDescription": "y = -2x - 1. y = 3x + 4. m = -2. b = -1. m = 3. b = y = x - y = 5x m = m = 5. b = 0. b = 9. 4.", "Image XResolution": "37", "Image YResolution": "37", "Image ResolutionUnit": "Pixels/Centimeter", "Image Software": "SlidePlayer", "Image YCbCrPositioning": "Centered"}