1. 2 (3x 1) -3 (x +5) is the same as

select one

a. 6x +17

b. none of the options given

c. 3x -13

d. 9x -13

2. if a? b = a2 - b

find 4? -9 =

select one

a. 25

b. 7

c. none of the options given

d. 29

3. 12 - 5 x 2 - 12 / (-6) =

select one:

a. non of the options given

b. 4

c. 0

d. -4

4. which group of numbers include only real numbers?

select one:

a. -6.5, 1/5, ? 12, -2/8

b. -4, 1/5, -1/4, ? -9

c. -5, 1/4, 7i, ? -3

d. -5.4, 7/8, 4.6, 4+2i

5. when money is shared in the ratio 2: 4: 6 the smallest amount given was $60,000.

how much is the largest amount?

select one

a. $120,000

b. none of the options given

c. $180,000

d.$360,000

6.which of the following sets have only rational numbers?

select one:

a. { -1, -22/7, 0.9, 4/5}

b. {tt, ? -3. -5, 3/4}

c. 1, -3, ? 3, -3/5}

d { 0, 3+2i, -16, - 1/3}

7. if 1/f - 1/u = 1/v then f=

select one:

a. (v- u)/ uv

b. uv/ (v-u)

c. (v+u) vu

d. vu/ (v+u)

8. -24 x -60 x -50/ 72 x 50 x 15

select one:

a. -2/3

b. none of the options given

c. -4/3

d. 4/3

9. given x = 2t + qm making t the subject of the equation we get

select one:

a. x-qm/2

b. (x- qm)/2

c. 1/2 (x+ qm)

d. none of the options given

10. if 3(2x-1) = 9(3x -5) the x =

select one:

a. 2

b. none of the options

c. -2 1/7

d. -2