8.3 Initial Value

Master finding the initial value of linear functions! Perfect for 8th grade math students to practice key algebra skills.

Which Linear function has initial value of 2? y = -2x + 7 y = 7x - 2 y = 2x - 7 y = 7x + 2 Initial Value Matching Match each function below with an initial value. -3 y = -2x - 3 -2 y = 3x - 2 2 y = -3x + 2 3 y = 2x + 3 Josie has 1.5 cups of water in her watering can. She fills that can before watering her plants. Water flows into the watering can at a rate of 1 cup every 4 seconds. The initial value for this function is 1.5 cups. The linear function in the graph models the height off the ground, in feet, of a person riding a zip line, t seconds after pushing off from the platform. The platform is 100feet off the ground.The person's rate of change is -5 The function y = 0.35x + 45 models the cost y, in dollars, of driving a rental car x miles. What is the initial value of this function? What does the initial value represent? The initial value is 45. Follow up to Question 5. What does the initial value represent in the above situation? (The car problem) The miles driven The cost of renting the car and driving no miles The total cost of renting and driving the car The cost per mile of driving the car The linear function in the graph models the temperature T at t hours after noon on an autumn day.Find the initial value of the function.What does the initial value represent?