1. (over Lesson 7-1)
Which option states whether the expression –5x2 is a monomial, and provides a reasonable explanation?
A. Yes; the expression involves only one variable.
B. Yes; the expression is the product of a number and variables.
C. No; the expression is the product of a number and variables.
D. No; the expression involves more than one term. A B C D
5Min 2-1

2. A. Yes; the expression involves variables and no numbers.
(over Lesson 7-1)
Which option states whether the expression x3 – y3 is a monomial, and provides a reasonable explanation?
A. Yes; the expression involves variables and no numbers.
B. Yes; the expression is the difference between two powers of variables.
C. No; the expression does not involve numbers
D. No; the expression is the difference between two powers of variables. A B C D
5Min 2-2

3. Simplify (3ab4) × (–a4b2). A. –3a5b6 B. –3a4b8 C. –3a3b6 D. –3a4b6
(over Lesson 7-1)
Simplify (3ab4) × (–a4b2).
A. –3a5b6
B. –3a4b8
C. –3a3b6
D. –3a4b6 A B C D
5Min 2-3

4. Simplify (2x5y4)2. A. 2x10y8 B. 2x25y16 C. 4x25y16 D. 4x10y8
(over Lesson 7-1)
Simplify (2x5y4)2.
A. 2x10y8
B. 2x25y16
C. 4x25y16
D. 4x10y8 A B C D
5Min 2-4

5. Find the area of the parallelogram shown in the image.
(over Lesson 7-1)
Find the area of the parallelogram shown in the image.
A. 6n5
B. 6n3
C. 5n5
D. 5n6 A B C D
5Min 2-5

6. What is the value of 4x3 – 1 when x = 1.5?
(over Lesson 7-1)
What is the value of 4x3 – 1 when x = 1.5? A
B. 12.5
C. 13.5
D. 13.8 A B C D
5Min 2-6

7. Simplify . Assume that the denominator is not equal to zero.
(over Lesson 7-2)
Simplify Assume that the denominator is not equal to zero. A. B.
C. 7
D. 49 A B C D
5Min 3-1

8. . Assume that the denominator is not equal to zero.
(over Lesson 7-2)
. Assume that the denominator is not equal to zero. A. B. C. D. A B C D
5Min 3-2

9. (over Lesson 7-2) A. B. C. D. A B C D
5Min 3-3

10. (over Lesson 7-2) A. B. C. D. A B C D
5Min 3-4

11. (over Lesson 7-2)
Refer to the figure. Find the ratio of the area of the square to the area of the triangle.
A. 2 to 1
B. 2 to 3
C. 1 to 1
D. 1 to 2 A B C D
5Min 3-5

12. Which expression has the least value?
(over Lesson 7-2)
Which expression has the least value? A. B. C. D. A B C D
5Min 3-6

13. (over Lesson 7-3)
State whether the expression –8 is a polynomial. If the expression is a polynomial, identify it as a monomial, a binomial, or a trinomial.
A. no
B. yes; monomial
C. yes; binomial
D. yes; trinomial A B C D
5Min 4-1

14. (over Lesson 7-3)
State whether the expression is a polynomial. If the expression is a polynomial, identify it as a monomial, a binomial, or a trinomial.
A. no
B. yes; monomial
C. yes; binomial
D. yes; trinomial A B C D
5Min 4-2

15. (over Lesson 7-3)
Refer to the figure. Write a polynomial to represent the area of the shaded region.
A. x2ab B. C.
D. x2 – ab A B C D
5Min 4-3

16. What is the degree of the polynomial 5ab3 + 4a2b + 3b5 – 2?
(over Lesson 7-3)
What is the degree of the polynomial 5ab3 + 4a2b + 3b5 – 2?
A. 2
B. 3
C. 4
D. 5 A B C D
5Min 4-4

17. (over Lesson 7-3)
If 0 < x < 1, M = x3 – x2 + 1, and N = x2 – x3 + 1, which statement is true?
A. M > N
B. N > M
C. M = N = 0
D. M = N = 1 A B C D
5Min 4-5

18. Simplify (6a + 7b2) + (2a2 – 3a + b2).
(over Lesson 7-4)
Simplify (6a + 7b2) + (2a2 – 3a + b2).
A. 2a2 – 3a + 7b2
B. 2a2 + 3a + 8b2
C. 2a2 – 9a + 8b2
D. 2a2 + 3a + 7b2 A B C D
5Min 5-1

19. Simplify (5x2 – 3) – (x2 + 4x). A. 5x2 – 4x – 3 B. 5x2 + 4x – 3
(over Lesson 7-4)
Simplify (5x2 – 3) – (x2 + 4x).
A. 5x2 – 4x – 3
B. 5x2 + 4x – 3
C. 4x2 + 4x – 3
D. 4x2 – 4x – 3 A B C D
5Min 5-2

20. Simplify (6x2 + 2x – 9) – (3x2 – 8x + 2) + (x + 1).
(over Lesson 7-4)
Simplify (6x2 + 2x – 9) – (3x2 – 8x + 2) + (x + 1).
A. 3x2 + 11x – 10
B. 3x2 – 5x – 6
C. 3x2 – 5x – 10
D. 3x2 + 10x – 11 A B C D
5Min 5-3

21. (over Lesson 7-4)
Refer to the figure. If P is the perimeter of the triangle and the measures of the two sides are given, find the measure of the third side of the triangle.
A. 5x2 + x + 3
B. x2 + 3x – 4y – 3
C. x2 + x + 3
D. 5x2 + 3x – 2y + 3 A B C D
5Min 5-4

22. (over Lesson 7-4)
Which of the following polynomials was added to x2 + 7x – 2 to get a sum of –4x2 – 5x + 11?
A. 5x2 + 12x + 9
B. 3x2 – 2x + 13
C. –3x2 + 2x – 9
D. –5x2 – 12x + 13 A B C D
5Min 5-5

23. Find –3w(w2 + 7w – 9). A. –3w3 – 21w – 27 B. –3w3 – 21w + 27
(over Lesson 7-5)
Find –3w(w2 + 7w – 9).
A. –3w3 – 21w – 27
B. –3w3 – 21w + 27
C. –3w3 + 21w2 – 27w
D. –3w3 – 21w2 + 27w A B C D
5Min 6-1

24. (over Lesson 7-5)
Find A. B. C. D. A B C D
5Min 6-2

25. Simplify 3ab(5a2 – a – 2) + 2a(b + 1).
(over Lesson 7-5)
Simplify 3ab(5a2 – a – 2) + 2a(b + 1).
A. 15a2b – 7ab + 1
B. 15a3b – 7ab + 1
C. 15a3b + 12a2b + 4ab + 2a
D. 15a3b – 3a2b – 4ab + 2a A B C D
5Min 6-3

26. Solve the equation 3(2c – 3) – 1 = –4(2c +1) + 8.
(over Lesson 7-5)
Solve the equation 3(2c – 3) – 1 = –4(2c +1) + 8. A.
B. –1
C. 1 D. A B C D
5Min 6-4

27. Solve the equation 5(9w + 2) = 3(8w – 7) + 17.
(over Lesson 7-5)
Solve the equation 5(9w + 2) = 3(8w – 7) + 17. A. B. C. D. A B C D
5Min 6-5

28. (over Lesson 7-5)
If x is any whole number, which of the following is an expression for the product of two consecutive multiples of 10?
A. 10x(x + 1)
B. 100x(x + 1)
C. 100x2 + 1
D. 10x(10x + 1) A B C D
5Min 6-6

29. Find (a + 6)(a – 3). A. a2 + 3a – 18 B. a2 – 3a – 18 C. a2 – 3a
(over Lesson 7-6)
Find (a + 6)(a – 3).
A. a2 + 3a – 18
B. a2 – 3a – 18
C. a2 – 3a
D. a2 – 18 A B C D
5Min 7-1

30. Find (3w + 7)(2w + 5). A. 6w2 + 35 B. 6w2 + 29w C. 6w2 + 29w + 35
(over Lesson 7-6)
Find (3w + 7)(2w + 5).
A. 6w2 + 35
B. 6w2 + 29w
C. 6w2 + 29w + 35
D. 6w2 + 15w + 49 A B C D
5Min 7-2

31. Find (5b – 3)(5b2 + 3b – 2). A. 25b3 – 19b – 6 B. 25b3 – 19b + 6
(over Lesson 7-6)
Find (5b – 3)(5b2 + 3b – 2).
A. 25b3 – 19b – 6
B. 25b3 – 19b + 6
C. 25b3 – b + 6
D. 25b3 + 15b2 – 10b – 3 A B C D
5Min 7-3

32. Write an expression to represent the area of the figure.
(over Lesson 7-6)
Write an expression to represent the area of the figure.
A. 3a3 – 9a2 + 2a – 3 units2
B. 3a3 – 9a2 + 2a units2
C. 6a3 – 9a2 + 2a – 3 units2
D. 6a3 – 3 units2 A B C D
5Min 7-4

33. Write an expression to represent the area of the figure.
(over Lesson 7-6)
Write an expression to represent the area of the figure.
A. 48k3 + 46k2 + k + 5 units2
B. 48k3 + 34k2 – k + 5 units2
C. 48k3 + 39k2 + k + 5 units2
D. 48k3 + 34k2 + k + 5 units2 A B C D
5Min 7-5

34. Simplify (x + 2)(x + 2) – (x – 1)(x – 1).
(over Lesson 7-6)
Simplify (x + 2)(x + 2) – (x – 1)(x – 1).
A. 3
B. 3x – 5
C. 6x + 3
D. 5 A B C D
5Min 7-6