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- 1. Multiple-choice30 seconds1 ptWhich of the following is an expression?6x + 2x = 610 = 5x2x + 6x - 106x
^{2}+ 10 = 25 - 2. Multiple-choice30 seconds1 ptWhich of the following is an equation?6x + 2x - 66x
^{2}+ 10 = 256x^{2}+ 10 - 2510y - 6 + 34u - 3. Multiple-choice30 seconds1 ptIn this expression, 2x + 6y - 10, which are the coefficients?2, 6, and -10x and y2 and 6-10
- 4. Multiple-choice30 seconds1 ptWhat is the definition of a constant?The letter used to represent a quantityThe number with no variableThe number in front of a variableThe little number or letter used to raise to a power
- 5. Multiple-choice20 seconds1 pt
The opposite operation used in algebra to eliminate an operation (undo).

Converse operation

Order of operation

Inverse operation

Converted operation

- 6. Multiple-choice30 seconds1 pt
You check your solution to an equation (which you think is -1) and get -12 = 10. What does this tell you?

The solution is -1

The solution is -12

-1 is not the solution

There are two solutions, -12 and 10

- 7. Multiple-choice20 seconds1 pt
A mathematical sentence that contains >, < ,

__>__, or__<__Expression

Equation

Inequality

Unbalanced expressions

- 8. Multiple-choice20 seconds1 ptWhat is an equivalent way to express 3y?y * y * yy + y + yy
^{3}3 + y - 9. Multiple-choice3 minutes1 ptevaluate bc + 5a

when a = 3, b = 4, and c = -6938-38-9 - 10. Multiple-choice3 minutes1 pt
a

^{2 }- b^{2 }Evaluate if a = 4 and b = - 24

20

-4

12

- 11. Multiple-choice5 minutes1 pt
Simplify the following expression

7 - 8c + 3 - 6c

10 + 2c

10 - 2c

10 - 14c

24c

- 12. Multiple-choice5 minutes1 pt
Simplify the following expression:

x + 4 - 7(x - 5)

-6x - 31

-8x - 31

-8x + 39

-6x + 39

- 13. Multiple-choice30 seconds1 ptWhat is the first step to solve this equation 2x + 11 = 23?Add 3 to both sidesSubtract 11 from both sidesAdd 1 to both sidesDivide 3 on both sides
- 14. Multiple-choice5 minutes1 ptSolve:

3x + 7 = -85-5-12-18 - 15. Multiple-choice3 minutes1 pt3x + 2(4x - 4) = 34321
- 16. Multiple-choice2 minutes1 ptSolve the equation:

7x - 4 = 3 + 8xx = 7x = -7x = 2/7x = 11 - 17. Multiple-choice5 minutes1 ptFind the error in the problem below

19 - 2k = 3k - 1

+3k +3k

19 + 1k = -1

-19 -19

k = -20They should have divided by 1 for the last stepThey should add 19 instead of subtracting 19I can not find an errorInstead of adding 3k they should subtract 3k - 18. Multiple-choice1 minute1 pt
Write the expression:

4 less than the product of 5 and p

5p - 4

4 - 5p

4p - 5

5 - 4p

- 19. Multiple-choice2 minutes1 ptBeth is 6 years younger than twice her brother's age. How old is Beth?6 - 2b2b - 61/2b + 6b + 6
- 20. Multiple-choice2 minutes1 ptKen is thinking of a number. Nine more than the product of 4 and the number is 73. What is the equation?4 + 9x = 734x = 734x + 9 = 739x + 4 = 73
- 21. Multiple-choice1 minute1 ptLindsay had $40. She works at the grocery store and earns $15 each day.

Which equation shows the relationship between Lindsay's savings (y) and the number of days Lindsay works (x)?y = 15x + 40x = 15y + 40y = 40x + 15y = 40 - 15x - 22. Multiple-choice15 minutes1 ptThe space club is having some posters printed. The printer charges $250 plus $2 per poster. How can I figure out how many posters I could print for $1,000?250x + 2 = 10001000 + 2x = 250250 - 2x = 10002x + 250 = 1000
- 23. Multiple-choice2 minutes1 pt
The square shown above has a perimeter of 58 inches. What is the value of x?

24.4

7

12

14

- 24. Multiple-choice30 seconds1 pt
Add these mixed numbers and simplify your answer.

8 19/24

1 7/12

8 19/12

9 7/12

9 5/12

- 25. Multiple-choice3 minutes1 pt
Multiply.

322/14

23

92/49

18 2/7