Page 187 math homework

Name: Gala Borges Practice & Problem Solving 6. Leveled Practice Resting heart rate is a measure of how fast the heart beats when a person is not performing physical activity. The graph shows the number of heartbeats over time for a given person. Resting Heart Rate a. Use two sets of coordinates to write an equation 280 to describe the relationship. 210 Heartbeats 280 140 m is 70 1 2 3 4 y = Time (min) b. Interpret the equation in words. The heart's resting heart rate is beats each minute. 7. Apply Math Models The graph relates the number of gallons of white paint to the number 8. Check for Reasonableness Franco made this of gallons of red paint Jess used to make the graph to show the equation y = -x. Is the graph perfect pink. Write an equation that describes correct? Explain. the relationship. Perfect Pink Paint - N W D 4 X Red Paint (gal) - NW 0 1 2 3 4 X 1 2 3 4 White Paint (gal) . . . . . . . . . . . . . y 9. The graph shows a proportional relationship between the variables x and y. 96 a. Write an equation to model the relationship. 72 48 b. Represent and Connect Explain how you know if an equation or a graph represents a proportional relationship. 24 X 0 2 4 6 8 4-2 Analyze Linear Equations: y