Question

3. What is the standard form of the polynomial 3x - 5 + 4x2 - x3?
(1) – x3 + 4x2 - 5 + 3x (2) -5 + 3x + 4x2 - x3
(3) - x3 + 3x + 4x2 – 5 (4) x3 + 3x - 5 + 4x2


4. What is the degree of the polynomial 1 - 5x2 + 7x3 ?
(1) 5 (2) 4 (3) 3 (4) 2

please explain the answer​

Answer 1

Answer:

4 . - degree is 3 because it is the highest power.

3 . = x cube + 4x square + 3x - 5 .

because standard form of cubic polynomial is - ax cube + bx square + cx + d