Question

Got a 70% on a quiz so I want to understand what I got wrong. Click on this question to read the answers what i got wrong.

Answer 1

Evaluate 2a^3 + (2a)^2

I got 24?

Answer 2

a = ?

Answer 3

a=2 sorry

Answer 4

2^3*2 +4*2^2 = 32

Answer 5

2(a)^2+4(a^2)
2(2)^2+4(2^2)
8+16=24

Answer 6

you got 24 wrong

Answer 7

hahd 2a^3 not 2a^2

Answer 8

=32 not 24

Answer 9

oh my bad blurry computer screen still havent installed software

Answer 10

Solve for t in the equation B = 9s^2t.

a. t=9s^2-B
b. t=B-9s^2
c. t=9s^2/B
d. t=B/9s^2

I got B?

Answer 11

d

Answer 12

Oh wow I did it 2a^2 not 2a^3

Answer 13

\[2a^3 + (2a)^2\]
\[2\times 2^3+(2\times2)^2\]
\[2\times 8+4^2\]
\[16+16\]
\[32\]

Answer 14

Solve for c in the equation a=b-c/c

Answer 15

c=-b/a+1

Answer 16

c=b/a+1

Answer 17

c=a+1/b

Answer 18

hehe stupid mistakes live with them i make the all the time, and face palm myself alot

Answer 19

c=-a+1/b

Answer 20

\[a=\frac{b-c}{c}\]
\[ca=b-c\]
\[ca+c=b\]
\[c(a+1)=b\]
\[c=\frac{b}{a+1}\]

Answer 21

c =a+1
---
b

Answer 22

there seems to be a difference of opinion here. did i write the problem correctly?

Answer 23

satellite's right
sorry got confused with numerator and denominator sorry