Powers, Roots, Equations Test 04 (CPRET04)

Question 1 of 8

1. Question

1 point(s)

Differentiating 5x³ gives:

5x^2
8x^2
15x^2
4x^3

Question 2 of 8

2. Question

1 point(s)

Differentiating 7x gives:

7
0
7x^2
x

Question 3 of 8

3. Question

4 point(s)

The multipliers for x cubed are:

2a, 1
3a^2, 3a, 1
4a^3, 6a^2, 4a, 1
none of these

Question 4 of 8

4. Question

4 point(s)

The multipliers required for the expansion of (4x² + 5x + 6)³ are:

27, 9, 1
48, 15, 1
48, 12, 1
none of these

Question 5 of 8

5. Question

4 point(s)

How many columns are to be expected in the expansion of (2x + 3)⁵ ?

10
11
5
6

Question 6 of 8

6. Question

4 point(s)

What multipliers would be used for expanding (2x + 3)³ ?

6, 3, 1
12, 6, 1
24, 12, 1
8, 6, 1
27, 18, 1

Question 7 of 8

7. Question

4 point(s)

The expansion of (2x + 3)³ is:

8x^3 + 36x^2 + 54x + 27
8x^3 + 24x^2 + 54x + 27
8x^3 + 24x^2 + 48x + 27
8x^3 + 36x^2 + 48x + 27

Question 8 of 8

8. Question

3 point(s)

Use your last answer to find 23²

84167
10967
10907
12167