Unit 4: Algebra

Simplifying

100

Simplify:

12x + 4y - 8 - 6x + 3y + 2

6x + 7y + -6

200

Simplify:

18a - 7b + 2a - 15b

20a + -22b

300

Simplify:

8a - 12b + 6a - 10b

14a - 22b

400

Simplify:

3(x - 6) + 5x

8x - 18

500

Simplify:

15 + 1/2(6x - 18)

3x + 6

One Step Stupid Line Problems

100

Solve:

x + 8 = -12

x = -20

200

Solve:

x - 14 = -22

x = -8

300

Solve:

-3x = -21

x = 7

400

Solve:

x/5 = -9

x = -45

500

Solve.

2/3 x = -6

x = -9

Two Step Stupid Line Problems

100

Solve:

2v + 7 = 3

v = -2

200

Solve:

17 = 5k - 2

k = 3.8

300

Solve:

8n + 16.2 = 1.6

n = -1.825

400

Solve:

-6y - 7 = 17

y = -4

500

Solve:

x/3 - 9 = -6

x = 9

Inequalities

100

Is x = -2 a solution to:

x + 6 < 7

Yes

200

Is x = 3 a solution to:

-4x>=-24

Yes

300

Graph on a number line:

x < 5

Mrs. Dokken will check your drawing.

400

Graph on a number line:

x >= -4

Mrs. Dokken will check your drawing. 

500

Graph on a number line:

0 <= x

Mrs. Dokken will check your drawing. 

Word Problems

100

A company has a profit of $500 this week. This is $235 more than the profit last week. What was the profit last week?

$265

200

You withdrew $43 from your bank account. Now your balance is -$87. How much was in your bank account to start with?

-$44

300

You make $0.75 for every newspaper you sell. How many newspapers do you have to sell to buy soccer cleats that cost $36.00?

48

400

Mrs. Dokken made some cookies for her 6 friends. Each friend got 16 cookies. How many cookies did Mrs. Dokken make in all?

96 cookies

500

It costs $3.50 to rent bowling shoes. Each game costs $2.75. You have $14.50. How many games can you bowl?

4