|
answers: c c c b d d c b b a
|
| The first 5 problems are from sec.
1.1.
|
| 1. Evaluate (p + q)/q
for p = 9 and q =3. The answer is
|
| a3 |
| b2 |
| c4 |
| dnota |
| 2. The area
of a parallelogram with base b and height h is what ?
|
|
a b + h |
|
b
(1/2)*b*h |
|
c b*h |
|
d
nota |
| 3. If b = 6 ft and
h = 4 ft in the previous problem, then the area is |
|
a 10
ft |
|
b 12
ft2 |
|
c 24
ft2 |
|
d nota |
| 4. Translate the
following to mathematics, the international language of the
world ! One less than the product of two numbers is 50 :
|
|
a -1 - ab
= 50 |
|
bab - 1 =
50 |
|
c -ab + 1
= 50 |
|
d nota |
| 5. Translate the following equation
into mathematics. When 42 is added a number, the result is 2314: |
|
ax
+ 42 = - 2314 |
|
b
42 + x |
|
c -
2314 |
|
d x + 42
= 2314 |
| e. nota |
| The last 5 problems are from 1.2 |
| 6. Factor : 5 + 10x + 15y +
15z |
|
a 5( 2x +
3y + 3) |
|
b 5( 1 +
2y + 3x + 3z ) |
|
c 5( 1 +
2x + 6) |
|
d nota |
| 7. Factor: 120a + 240b |
|
a 40(a +
2b) |
|
b 20( 2a +
2b) |
|
c 120(a + 2b) |
|
d 20( a +
4b) |
| e. nota |
| 8. Multiply: (3x + y + 12)3 |
|
a3x + 9y +
36 |
|
b9x + 3y +
36 |
|
c 3x
+3y + 36 |
|
d nota |
| 9. Multiply : 10( 30
+ y) |
|
a30 + 100y |
|
b 300
+ 10y |
|
c 30 + 10 |
|
dnota |
| 10. Rewrite using the commutative
law of addition: (a + 1)*5 |
| a ( 1 + a)*5 |
|
b 5 *
1* a |
|
c 5 *
a* 1 |
|
d 5*( a +
1) |
| 11. Written problem: Factor.
24x + 36y + 48z - 12 = 12(2x + 3y + 4z - 1) |