Modeling with Linear Functions Quiz for 8th Grade mathematics | Free Online Practice

Modeling with Linear Functions Quiz for 8th Grade mathematics | Free Online Practice

1. What is the rate of change if a car travels 60 miles in 2 hours?
2. If a function starts at 5 and increases by 3 for each step, what is the initial value?
3. Write the equation for a line with a rate of change of 4 and an initial value of 2.
4. If the temperature rises from 20°C to 25°C over 5 hours, what is the rate of change?
5. What is the initial value in the equation y = 3x + 7?
6. Construct a function rule for a situation where the number of hours worked is x and the pay is $15 per hour.
7. If a bike costs $200 and decreases by $20 each month, what is the rate of change?
8. What is the output when x=3 in the function y=2x+1?
9. In a table, if the values are (1, 3), (2, 5), what is the rate of change?
10. If a function has a rate of change of 6 and its initial value is 10, what is the function rule?
11. What does the rate of change represent in a distance-time graph?
12. If a linear function gives outputs of 10, 15, 20 for inputs 0, 1, 2, what is the initial value?