A.A B.B C.C D.D 5Min 2-1 A.Yes; the expression involves only one variable. B.Yes; the expression is the product of a number and variables. C.No; the expression.

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A.A B.B C.C D.D 5Min 2-1 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. Which option states whether the expression –5x 2 is a monomial, and provides a reasonable explanation? (over Lesson 7-1)

5Min A 2.B 3.C 4.D 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. Which option states whether the expression x 3 – y 3 is a monomial, and provides a reasonable explanation? (over Lesson 7-1)

1.A 2.B 3.C 4.D 5Min 2-3 A.–3a 5 b 6 B.–3a 4 b 8 C.–3a 3 b 6 D.–3a 4 b 6 Simplify (3ab 4 ) × (–a 4 b 2 ). (over Lesson 7-1)

A.A B.B C.C D.D 5Min 2-4 A.2x 10 y 8 B.2x 25 y 16 C.4x 25 y 16 D.4x 10 y 8 Simplify (2x 5 y 4 ) 2. (over Lesson 7-1)

5Min A 2.B 3.C 4.D A.6n 5 B.6n 3 C.5n 5 D.5n 6 Find the area of the parallelogram shown in the image. (over Lesson 7-1)

1.A 2.B 3.C 4.D 5Min 2-6 A B.12.5 C.13.5 D.13.8 What is the value of 4x 3 – 1 when x = 1.5? (over Lesson 7-1)

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

5Min A 2.B 3.C 4.D (over Lesson 7-2). Assume that the denominator is not equal to zero. A. B. C. D.

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

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

5Min A 2.B 3.C 4.D A.2 to 1 B.2 to 3 C.1 to 1 D.1 to 2 Refer to the figure. Find the ratio of the area of the square to the area of the triangle. (over Lesson 7-2)

1.A 2.B 3.C 4.D 5Min 3-6 Which expression has the least value? (over Lesson 7-2) A. B. C. D.

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

5Min A 2.B 3.C 4.D A.no B.yes; monomial C.yes; binomial D.yes; trinomial (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.

1.A 2.B 3.C 4.D 5Min 4-3 Refer to the figure. Write a polynomial to represent the area of the shaded region. (over Lesson 7-3) A.x 2 ab B. C. D. x 2 – ab

A.A B.B C.C D.D 5Min 4-4 A.2 B.3 C.4 D.5 What is the degree of the polynomial 5ab 3 + 4a 2 b + 3b 5 – 2? (over Lesson 7-3)

5Min A 2.B 3.C 4.D A.M > N B.N > M C.M = N = 0 D.M = N = 1 If 0 < x < 1, M = x 3 – x 2 + 1, and N = x 2 – x 3 + 1, which statement is true? (over Lesson 7-3)

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

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

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

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

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

A.A B.B C.C D.D 5Min 6-1 A.–3w 3 – 21w – 27 B.–3w 3 – 21w + 27 C.–3w w 2 – 27w D.–3w 3 – 21w w Find –3w(w 2 + 7w – 9). (over Lesson 7-5)

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

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

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

5Min A 2.B 3.C 4.D Solve the equation 5(9w + 2) = 3(8w – 7) (over Lesson 7-5) A. B. C. D.

1.A 2.B 3.C 4.D 5Min 6-6 A.10x(x + 1) B.100x(x + 1) C.100x D.10x(10x + 1) If x is any whole number, which of the following is an expression for the product of two consecutive multiples of 10? (over Lesson 7-5)

A.A B.B C.C D.D 5Min 7-1 A.a 2 + 3a – 18 B.a 2 – 3a – 18 C.a 2 – 3a D.a 2 – 18 Find (a + 6)(a – 3). (over Lesson 7-6)

5Min A 2.B 3.C 4.D A.6w B.6w w C.6w w + 35 D.6w w + 49 Find (3w + 7)(2w + 5). (over Lesson 7-6)

1.A 2.B 3.C 4.D 5Min 7-3 A.25b 3 – 19b – 6 B.25b 3 – 19b + 6 C.25b 3 – b + 6 D.25b b 2 – 10b – 3 Find (5b – 3)(5b 2 + 3b – 2). (over Lesson 7-6)

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

5Min A 2.B 3.C 4.D Write an expression to represent the area of the figure. (over Lesson 7-6) A.48k k 2 + k + 5 units 2 B.48k k 2 – k + 5 units 2 C.48k k 2 + k + 5 units 2 D.48k k 2 + k + 5 units 2

1.A 2.B 3.C 4.D 5Min 7-6 A.3 B.3x – 5 C.6x + 3 D.5 Simplify (x + 2)(x + 2) – (x – 1)(x – 1). (over Lesson 7-6)