 # Which table represents a function?

## Presentation on theme: "Which table represents a function?"— Presentation transcript:

Which table represents a function?
x y b. x y c. x y d. x y

2. Solve > 52 + P a. P > 7 b. P < -7 c. P > -7 d. P < 7

3. Which is NOT a solution of the inequality 9 - 3x < -6
b. 6 c. 5 d. 4

4. Solve 6x - 8 = 28 a. x = 6 b. x = 2 c. x = -6 d. x = -2

5. Simplify 7x3 + 4(x + 4) - 2x3 a. 9x3 - 4x - 16 b. 5x3 - 4x + 16 c. 9x3 + 4x - 16 d. 5x3 + 4x + 16

6. Solve - 6x + 3y = 18 for y a. y = 2x + 6 b. y = - 2x + 6 c. y = 2x - 6 d. y = - 2x - 6

Bats Total Sales b. Bats Total Sales 32 1 1 32 64 2 2 32 96 3 3 32
7. A sports store has 4 Bats for sale at each. Which table represents this situation? Bats Total Sales b. Bats Total Sales c. Bats Total Sales d. Bats Total Sales

8. If x represents Rori's age, which expression represents 6 more than one fourth of Rori's age?
a. x/4 + 6 b. 6 + x c x d x

9. Solve 5(3x - 2) - 2x = 16 a. x = 1 b. x = -1 c. x = -2 d. x = 2

10. Solve a = bc for b a. b = a - c b. b = a/c c. b = ac d. b = c/a

11. Karl has \$90. If he saves \$35 per week, how many weeks will it take Karl to save \$265?
b. 5 c. 6 d. 7

12. Solve x - 9 < 3 a. x < 6 b. x > 6 c. x < 12 d. x > 12

13. Joey has a \$150 limit on his prepaid phone card
13. Joey has a \$150 limit on his prepaid phone card. Each minute costs \$.40. If x represents the number of minutes Joey talks on his phone, which inequality models this situation? a. .40x > 150 b. .40x > 150 c. .40x < 150 d. .40x < 150

14. Which expression represents the cost of renting a limo for a day if the rental agency charges \$24.95 each day plus \$1.20 for each mile m? a m b m c m d m

15. Which is NOT a correct way to describe the function
{-3,5),(-2, 4), (-1, 3), (0,2)} Domain: -3,-2,-1,0 Range: 5,4,3,2 b.Domain: 5,4,3,2 Range: -3,-2,-1,0

16. Solve x/ > 26 a. x > 14 b. x > -14 c. x < 14 d. x < -14

17. Evaluate X3 + 7 when x = -4 a. 71 b. 19 c. -57 d. - 71

18. Which pair of algebraic expressions are equivalent?
a. 7x - 4 and 4x + 3x b x and -2(3-5x) c. 5x x and 3x - 3 d. 4x x and 3(x + 3)

19. Simplify 4(6x + 2) - 5(x + 3) a. 29x + 23 b. 19x - 7 c. 29x - 7 d. 19x + 23

20. Solve 7x - 9 = -4x + 24 a. x = 3 b. x = 11 c. x = 5 d. x = - 3

21. Solve 4x < x + 21 a. x >7 b. x < 7 c. x < 5 d. x > 5

22. Which algebraic inequality represents the quotient of 5 times a number x divided by 7 is less than 42? a. 5x/7 > 42 b. 7/5x > 42 c. 5x/7 < 42 d. 7/5x < 42

23. Choose the inequality that represents the amount of money s in a bank account containing at least \$55.00. a. s > 55 b. s < 55 c. s > 55 d. s < 55

24. Solve = x + 9 a. x = 5 b. x = 23 c. x = -5 d. x = -23

25. Jeff and Julie went out for ice cream. They paid a total of \$4
25. Jeff and Julie went out for ice cream. They paid a total of \$4.00 for their drinks; each cone cost \$1.50. If their bill was \$10.00, which equation represents the situation? a c = 10 b. 4c = 10 c. c( ) = 10 d. c + 4 = 10

26. Solve lx - 4l + 9 = 17 a. x = 12 b. x = 12 and x = -12 c. x= 12 and x = -4 d. no solution

27. Kelly's cell phone plan cost \$45 a month plus \$
27. Kelly's cell phone plan cost \$45 a month plus \$.30 per text message. If Kelly's phone bill was \$57.00, how many text messages did she send? a. 4 b. 40 c. 12 d. 102

Which operation should be performed first to simplify the following?
(-2) + (4)2 a. multiply 14 by (-2) b. add c. square 4 d. add -2 and 4

Which table of ordered pairs shows solutions to the following equation?
y = 2x - 5 a. x y b. x y c. x y d. x y

Which algebraic equation represents four less than two times a number is 18?
a.2(x - 4) = 18 b x = 18 c x = 18 d. 2x - 4 = 18

Given y = -x + 4, if the domain is -2, 0, 2, 4 find the range.
b. -8, -6, -4, -2 c. 6, 4, 2, 0 d. -4, -2, 0, 2

Which phrase best describes 7x - 8
eight less than seven times a number b. seven times a number less than eight c. seven times the difference of a number and 8 d. eight times a number less than 7

B D A C 23. C 24. C A C B D Answers