Multiplying Polynomials (FOIL)

1.

Multiple Choice

1 min

1 pt

Multiply:

(2x + 3)(3x - 4)

6x² + x - 7

6x² + x - 12

6x² -17x + 12

6x² + 17x - 12

2.

Multiple Choice

1 min

1 pt

(7x + 3)(8x + 2)

56x² + 48x + 5

56x² + 20x + 6

56x² + 38x + 6

56x² + 38x + 5

3.

Multiple Choice

30 sec

1 pt

(3x + 2)(3x + 2)

6x² + 12x + 4

6x² + 6x + 4

9x² + 12x + 4

9x² + 27x + 4

4.

Multiple Choice

1 min

1 pt

(2x + 8)(5x + 1)

10x² + 2x + 9

10x² + 42x + 8

10x² + 42x + 9

10x² + 40x + 8

5.

Multiple Select

45 sec

1 pt

Which of the following is a binomial? Select all that apply.

*simplify!*

5x + 11 - 4

x² + 3x + 6

12x²y

x² - 4x + 10x

14y - 12x²y + 3y

6.

Multiple Choice

5 mins

1 pt

Find the product:
(y - 3)(y + 7)

y² - 21

y² + 10x - 21

y² + 4y - 21

2y - 10

7.

Multiple Choice

1 min

1 pt

(x - 3)(x +10)

x² - 7x + 13

x² - 6x - 30

x² + 7x - 30

x² + 13x + 30

8.

Multiple Choice

1 min

1 pt

(x - 4)(x - 6)

x² -10x + 24

x² - 10x - 24

x² +10x + 24

x² + 10x - 24

9.

Multiple Choice

30 sec

1 pt

(x + 12)(x - 12)

x² - 144

x² + 144

x² + 12x - 144

x² - 12x + 144

10.

Multiple Choice

30 sec

1 pt

(6y - 5)(9y + 4)

27y² - 21y - 20

36y² - 21y - 20

54y² - 21y + 20

54y² - 21y - 20

11.

Multiple Choice

2 mins

1 pt

(x - 7)(x + 7)

x² + 7x - 49

x² - 7x + 49

x² - 49

x² + 49

12.

Multiple Choice

3 mins

1 pt

Multiply (5x - 2)(5x + 2).

25x² - 4

25x - 4

25x² -20x - 4

25x² + 20x - 4

13.

Multiple Choice

3 mins

1 pt

Find the area of a square with side length 3x + 1 .

Draw a picture!

9x² + 1

9x² - 1

9x² + 6x + 1

9x² - 6x - 1

14.

Multiple Choice

2 mins

1 pt

Multiply: (x + h) (x - h)

x² - h²

x² + h²

2x² - 2h²

x² + 2xh + h²

2x - 2h

15.

Multiple Choice

30 sec

1 pt

(2u + 4v) (2u + 4v)

4u²+ 4uv + 16v²

4u²+ 16uv + 16v²

4u²+ 16v²

4u²+ 8uv + 16v²

16.

Multiple Choice

30 sec

1 pt

Πx²+ 16Π

Πx²- 16Π

Πx²+ 8Πx + 16Π

Πx²+ 8Πx -16Π

17.

Multiple Choice

3 mins

1 pt

Simplify:

(x - 7)²

x²-49

x²+49

x²-14x+49

x²-14x-49

18.

Multiple Select

45 sec

1 pt

Select all the true statements about a square with side length x + 5 units.

*Draw a picture!*

The perimeter is 4x + 20 units.

The area is x² + 10x + 25.

The area is x² + 25 units.

The perimeter is 4x + 5 units.

The area is x² - 25 units.

19.

Multiple Choice

2 mins

1 pt

Which of the following is a 5th degree trinomial with a leading coefficient of -2?

-2x⁵ + 3x - 1

5x^-2 +3x - 1

-2x⁵ + 3x⁴ + 2x³ + x² - 10

2x + 5

20.

Multiple Select

1 min

1 pt

Select the true statements about the expression:

x²-2x+5

It is a binomial.

Its degree is 2

It is a trinomial.

Its degree is 3

Its leading coefficient is 5.

21.

Multiple Choice

1 min

1 pt

What is the leading coefficient in the polynomial 3x²-2x+5?

3

2

5

0

22.

Multiple Choice

30 sec

1 pt

What id the Degree of the Polynomial?
5x³ - 6x + 1

Linear

Quadratic

Cubic

Quartic

23.

Multiple Choice

1 min

1 pt

What is the degree of this polynomial?

2x - 5x²+ 4x³ - 1

Degree of 1

Degree of 2

Degree of 3

Degree of 5

24.

Multiple Choice

30 sec

1 pt

2

3

4

5

25.

Multiple Choice

30 sec

1 pt

1

2

3

4

26.

Multiple Choice

2 mins

1 pt

A ___________ is a polynomial with 2 terms.

degree

monimial

binomial

trinomial

27.

Multiple Choice

2 mins

1 pt

Which one of these is in standard form?

x⁴ + 25x²- 10x³

x⁴ - 10x³ + 25x²

- 10x³ + 25x²+ x⁴

25x²+ x⁴ - 10x³

28.

Multiple Choice

2 mins

1 pt

Place in decreasing degree. Which is the leading coefficient?
8 + 5t² - 3t + t³

8

5

-3

1

29.

Multiple Choice

2 mins

1 pt

Which term has a degree of 1?

-28

8x²

-2x

-15x³

30.

Multiple Choice

15 mins

1 pt

Find the area of a rectangle with length (x - 5) and width (3x + 1).

3x²+16x-5

3x²-14x+5

3x²-14x-5

4x - 4

8x - 8

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