Question

a. Find the degree of the polynomial
1. 2x - 1
2. x³y + 5x - 19
3. 3x³ + 25x – 6
4. x²y³ + xy² + x + 11
5. 4y + 1
b. Find the degree of the terms in
1. x7 + 3x³y5 – 3x⁴y +/- 2
2. x²–4x +21

Answer 1

Answer:

1. 0
2. 3
3. 3
4. 3
5. 0
6. 7
7. 2

Step by step explanation:

Answer 2

Answer:

A vacuum tube, an electron tube, valve (British usage) or tube (North America), is a device that controls electric current flow in a high vacuumbetween electrodes to which an electric potential difference has been applied. ... Electrons can only flow in one direction through the device—from the cathode to the anode.