# 7-15

## 6 terms · http://quizlet.com/12575142/7-14-flash-cards/

### Evaluate the function: 1. y = 2 x 2 + 3X - 24, if X = -3 2. y = -2 X + 5X + 13, if X = -3 3. y = -2 x 2 - 3 X + 15, if X = -2 4. y = 3 x 2 + X + 23, if X = -2

5. 1. John has invested \$1200 in his consulting business. He charges \$25 per hour for her services. Find out how many hours Alan need to work to break even?

### 6. A single six-sided fair die is tossed. What is the probability of tossing a number greater than 4?

7. A single six-sided fair die is tossed. What is the probability of tossing a number less than six?

### 8. A single six-sided fair die is tossed. Find the probability of getting a number different from 12.

9. Liming has 35% of winning the raffle at the carnival. What is the probability that she will not win the raffle? Express your answer as a percentage.

### 10. A coin is tossed and a number cube is rolled. What is the probability that the coin flips tails and the number cube rolls 6?

11. A coin is tossed and a number cube is rolled. What is the probability that the coin flips heads and the number cube rolls a 1 or a 2?

### Solve for X: 12. (7/2) x=14 13. (4/3) x=36 14. (3/4)x=60 15. (2/7)x=28

Solve for X:
16. (3/7)x=84
17. x + 2.5 = 8.4
18. x + 2.9 = 8.9
19. x + 4.2 = 9.6
20. x - 3.9 = 11.2

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