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How do you know if the y-intercept (starting value) is 5 or .50?

How do you know if the y-intercept (starting value) is 5 or .50?. y = 5 + .50x. In this lesson you will learn how to describe the y-intercept of a linear function by examining the four representations of a function. A linear function has a constant rate of change. y = mx + b. y = 3x + 4.

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How do you know if the y-intercept (starting value) is 5 or .50?

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  1. How do you know if the y-intercept (starting value) is 5 or .50? y = 5 + .50x

  2. In this lesson you will learn how to describe the y-intercept of a linear function by examining the four representations of a function.

  3. A linear function has a constant rate of change. y = mx + b y = 3x + 4

  4. Constant rate of change y = 3x + 4 Constant rate of change

  5. A local carnival admission is $5 plus $0.50 per ride. What about the 5? Constant rate of change = .50 The 5 is the y-intercept. y = 5 + .50x

  6. y = 5 + .50x

  7. y = 5 + .50x

  8. A desk is 36 inches tall. Each book stacked on top adds 2 inches to the height. y = 36 + 2x

  9. In this lesson you will learn how to describe the y-intercept of a linear function by examining the four representations of a function.

  10. Identify the y-intercept in each of the representations. y = -5x – 8

  11. You are able to pay for a gym membership for 1 year that costs $10 per month. How much money did you need to start with? • If (y) represents the amount of money you have left over and (x) represents the number of months, show your answer is true by making a table, graph, and equation for the scenario.

  12. Marie needs to drain a decorative pond in her backyard for the winter months. The amount of water left in the pond (W) after (t) minutes is modeled by W = -2(t – 45). • How much water was in the pond before it was drained?

  13. Which line has a y-intercept of 4? a) Green b) Blue c) Black d) Orange Art puts $300 into a savings account and adds $40 per month. What is the y-intercept and what does it represent?

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