Unit Test

Question 1

Calculate the following combinations.

Revolt · Accepted Answer

3

Question 2

Which facts did you include in your conjecture? Check all of the boxes that apply.

Revolt · Accepted Answer

The coefficients of the terms come from rows of the triangle.; If the exponent is n, look at the entries in row n.

Question 3

(m + 2)4 = m4 + m3 + m2 + m +

Revolt · Accepted Answer

8

Question 4

(m + 2)4 = m4 + m3 + m2 + m +

Revolt · Accepted Answer

24

Question 5

(m + 2)4 = m4 + m3 + m2 + m +

Revolt · Accepted Answer

32

Question 6

(m + 2)4 = m4 + m3 + m2 + m +

Revolt · Accepted Answer

16

Question 7

The second entry in the fourth row of Pascal’s triangle is 6, and 4C2 = .

Revolt · Accepted Answer

6

Question 8

Which of the following is equivalent to the expression (m + 3)4?

Revolt · Accepted Answer

4C0m430 + 4C1m331 + 4C2m232 + 4C3m133 + 4C4m034

Question 9

Think about the expansion for the binomial(2x - y2)6.The first term of this binomial is 2x.The second term of this binomial is -y2.What is the correct formula for the fifth term in this binomial expansion?

Revolt · Accepted Answer

6C4(2x)2(-y2)4

Question 10

Choose the simplified form of the fifth term of the expansion.

Revolt · Accepted Answer

60x2y8

Unit Test Answers

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