Quiz 4 Sp06

anwers: c b c d d b b
These are from 1.8
1. Simplify    [82  +  62]/[ 3 - 62  + 2*17]
a-100
b100/115
c100
dnone of the above
2. Evaluate:  9 - 4x2    for x = -2 
a25
b-7
c1
dnota
3. What's equivalent to this?  -(8x - 9)
a8x - 9
b-8 - 9x
c-8x + 9
dnota
4. What's equivalent to this?  -(8x + 9)
a8x + 9
b-8x + 9
c8x  - 9
dnota
5.  simplify.  8x2 + 2x  - 2(x + 12x2)
a 32x2  - 2x
b-16x2   + 2x
c16x2 
d-16x2 
The next  4  problems are  from 2.1
6. Solve for w:  w   -   5 = 11
a6
b16
c11/5
d-11/5
e. nota
7.  Solve for x:    -x  +  2 =   92
a. 90
b. -90
c. 1/90
d. nota
Written Problems
8.  Solve for w:  w/9 = 11.   w = 99
9.  Solve for x:    x  + 1/3  = 5/6.  x = 1/2
10.  2.2 Solve for y:  -3y + 6y = 15.  y = 5
11.  2.2 Solve for y:  17 - (2y  + 1)   = 2(y + 3) + y.  y = 2.