Please Help Me !!!!!!

Question

1. Polynomials Add or subtract
(4x2 + 15x – 3) – (–3x2 + 5) (1 point)
A.7x2 + 15x – 8
B.x2 + 12x + 2
C.x2 + 15x – 8
D.7x2 + 8 2.
2. Simplify the polynomial.
–3f2 + 4f – 3 + 8f2 + 7f + 1 (1 point)
A.5f2 – 11f + 2
B.11f2 + 11f + 2
C.5f2 + 11f – 2
D.–5f2 + 11f – 2
3. Add or subtract
(2x2 + 6x + 1) + (–7x2 + 2x – 3) (1 point)
A.5x2 – 4x – 2
B.–5x2 + 8x – 2
C.5x2 – 8x + 2
D.–9x2 – 8x + 2
4. Name the coefficients in the polynomial.
4x2 + 3x – 3 (1 point)
A.4, –3, –3
B.4, 3
C.4, 3, 3
D.–4, –3
5. How many terms are in the following polynomial?
6x4 + 3x3 – 2x2 + 15x – 14 (1 point) A. 5
B.4
C.3
D.2
6. In the expression –7x – 5x2 + 5, what is the coefficient of x? (1 point)
A.7
B.5
C.–5
D. -7

7. Write the expression using scientific notation.
(2.5 • 104)(4 • 103) (1 point)
A.10 • 107
B.10 • 108
C.1 • 108
D.10 • 1012
8. Write the expression using a single exponent.
22 • 28 (1 point)
A.410
B.210
C.416
D.216

Answer 1

ACBBADC. Sorry I don not know the last one.

Answer 2

student does not know how to type exponents
This means
2^2 * 2^8
which is 2^(2+8)
or
2^10

Answer 3

As I was typing this I realized how fishy it looks, but that is the correct answers. Hi connexus students! c:
c
d
c
d
c
d
b
a
c
a
c
a

Answer 4

@ What your looking for, I used yours and I got 3 right..

Answer 5

Knee grow is correct most of your answers are completely wrong.

Answer 6

i was thikig the same thig i was like its ot homework its a test but anywho your a liar what youre looking for none of them are right