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Warm Up

Warm Up. Find the slope between (3,2) (4,5) If you drive 225 miles to reach Denver and you drive at 65 miles per hour, the distance left to Denver is y = -65 x +225 Neatly Label & Graph this 3. What does the x- int represent ? 4. What does the y- int represent ?.

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Warm Up

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  1. Warm Up Find the slope between (3,2) (4,5) If you drive 225 miles to reach Denver and you drive at 65 miles per hour, the distance left to Denver is y = -65x+225 Neatly Label & Graph this 3. What does the x-intrepresent? 4. What does the y-intrepresent? 9th 2.4a DOK 2 PHS

  2. 1. Simplify 3(2x – 8) – (3x – 7) – 2x + 5 If a meter stick represents one billion, put an arrow where one million would be. Find the slope between (5,7) & (-1,4) The number of people ,y, (in thou-sands) eating eggs is y = -8x + 765, where x=0 represents the year 1975. Graph this and tell what the x & y int. represent. 9th 1.1, 2.4a DOK 1,2 PHS

  3. 1. Find the equation of the line with a slope of –1 that passes through the point (2, –3) Find the equation of the line passing through the points (2, 4) and (–2, 6) A car that weighs 2000 lbs gets 29 mpg, and a car of 2500 lb gets 23 mpg. What mpg would a car that weighs 4000 lb get? (hint: mpg = y) Ann – #1,2; 3.3a? 2? 9th 6.1a DOK ___ PHS

  4. Warm Up 1. Write the equation of the line with slope of 3 passing through (1,4) Find the slope between (5,7) & (-1,4) The number of people, y, (in millions) using cassettes is y = -87x + 965, where x=0 represents the year 1993. Graph this and tell what the x & y int. represent. 9th _____ DOK ___ PHS

  5. Warm Up The temperature, F, (in deg F) in the Artic as winter approaches is F = -12t + 41, where t=0 represents the month of October. Graph this for t = 0, 1, 2, 3, 4, 5. What does the slope represent? Tell what the x & y int. represent What would be the temperature in February? 9th 2.4a, __ DOK 2 PHS

  6. Warm Up Find the slope (3,2) (4,5) If you drive 225 miles to reach Denver and you drive at 65 miles per hour, the distance left to Denver is y = -65x+225 Neatly Label & Graph this 3. What does the x-intrepresent? 4. What does the y-intrepresent? 9th 2.2a, 2.4a DOK 1 PHS

  7. Warm Up 1. Simplify 3(2x – 8) – (3x – 7) – 2x + 5 If the meter stick represents one billion, put an arrow where one million would be. Find the slope between (5,7) & (-1,4) The number of people ,y, (in thous) eating eggs is y = -8x + 765, where x=0 represents the year 1975. Graph this and tell what the x & y int. represent. 9th 1.3, 2.4a DOK 1,2 PHS

  8. Warm-up 1. Find the equation of the line with a slope of –1 that passes through the point (2, –3) Find the equation of the line passing through the points (2, 4) and (–2, 6) A car that weighs 2000 lbs gets 29 mpg, and a car of 2500 lb gets 23 mpg. What mpg would a car that weighs 4000 lb get? (hint: mpg = y) 9th 2.1a DOK 1 PHS

  9. Warm Up 1. Write the equation of the line with slope of 3 passing through (1,4) Find the slope between (5,7) & (-1,4) The number of people, y, (in millions) using cassettes is y = -87x + 965, where x=0 represents the year 1993. Graph this and tell what the x & y int. represent. 9th 2.1a DOK 1,2 PHS

  10. Warm Up The temperature, F, (in deg F) in the Artic as winter approaches is F = -12t + 41, where t=0 represents the month of October. Graph this for t = 0, 1, 2, 3, 4, 5. What does the slope represent? Tell what the x & y int. represent What would be the temperature in February? 9th 2.2a , 2.4a DOK 1,2 PHS

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