Week 3 Practice Test:
1. Draw a graph of a relationship that is NOT a function
2. Is this a function? Why or Why not? (3,6), (5.9), (7,9), (8,0)
3. Make a table of a relation that is NOT a function. Tell why
4. Express: Temperature is a function of the hours of sunshine using function notation
5. Make a graph to depict the following situation. You leave home at noon. At 1 you are 3 miles away. at 2 you return home for 3 hours, then leave to go to your friend’s house 5 miles away. and you get there at 6
6. Cluster #1 HOW CAN I PRACTICE, #16
7. Exercise 1.6, #5
8. How do you know if 2 lines are parallel? The same line?
9. Find the equation (y=mx+b) if the line goes through the points (1,3) and (4,5)
10. Quickly sketch the graph of y=2x + 3
11. If a linear function goes through point (2,3) and has a slope of 1/2, what is the y value at x=4?a
12. Define the x and y intercept. How do you find them?
13. Fitness center A costs $100 to join, and then $25 per month. Center B costs $50 to join but charges $30 per month. How many months will you have to join before plan A is a better deal than plan B?
14. Solve: -(-2)(-3) + (-8)/2 – (-4) + 2(-4)
15. How many licence plates can you make if you have 3 numbers followed by 3 letters, but your first 2 numbers are even and the middle letter is a vowel?
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