Daily TensWeek 3

Day 1

1. Which expression is equivalent to

x2 + 2x – 15 • x2 + 7x +10 ?

3x2 + 6x 3x2 – 9x

A. ( x + 5 )2 B. (x – 3 )2

9x2 (x – 2 )2

C. 5( 2x + 5)2 D. -2x + 5 8x2

2. Jamie has a rectangular poster that is 30 inches long and 20 inches wide. He cuts x inches off the length and x inches of the width. The area of the poster after it is cut is 416 square inches.

How many inches did Jamie cut from each side of the poster?

A. 2 inches B. 4 inchesC. 6 inches D. 8 inches

1. A MM1A2.e2. B MM1A2

Answers

Day 2

1. Which expression is equivalent to

A. B.

C. D.

42x

8

1

x 8

1

x

8x 8x

Which equation is equivalent to ÷ ?

A. B.

C. D.

3

2

y

y

6 2

3 6

y

y

3

2

2

3

2

2

2( 3)

3( 2)

y

y

2

2

3 3

2 2

y

y

1. C MM1A2.c 2. A MM1A2.c

Answers

Day 3

1. What are the solutions to the equation x2 + 11x = 42?

A. x = 6 and x = 7B. x = 6 and x = -7C. x = 14 and x = -3D. x = -14 and x = 3

2. Which expression is equivalent to x2 – 9 • 3 ? 6 x – 3

A. x - 3 C. x – 1

B. x + 3 D. x – 3 2 2

1. D MM1A2.g2. B MM1A2.c

Answers

Day 4

1. Simplify 2x + 3 + 5x – 7 10 5

A. 7x – 4 C. 7x – 4 50 10

B. 12x – 11 D. 8x – 4 10 10

2. Simplify x + 7 – 2x - 4 3 12

A. -x + 3 C. -x +11 12 12

C. 2x +24 D. 2x + 32 12 12

1. B MM1A2.e2. D MM1A2.e

Answers

Day 5

1. The production rate of a small factory is modeled by (x+17) , while the production

4x(x+1) rate of another factory is modeled by (5x+19). Which is a model for the 4x(x+1) combined production rate of the two

factories?A. (x+ 17) C. (6x+36) (5x+19) (4x2+ 2)

B. (5x2+36) D. (6x+36) (4x2+2) 4x(x+1)

2. Simplify the expression x + 4 _ 2x + 1 x – 3 x + 4

A. 3x2 + 3x + 13 B. 3x2 + 13x + 13 (x – 3)(x + 4) ( x – 3)(x + 4)

C. -x2 + 13x + 19 D. -x2 + 3x + 19 (x – 3)(x + 4) ( x – 3)(x + 4)

1. D MM1A.e2. C MM1A.e

Answers