Chapter 1 Review

Sherlock Holmes

100

3x - 5 = 16

x = 7

200

(x + 3)/7 = 9

60

300

x/3 - 5 = 12

51

400

8/b = 4/6

b = 12

500

2x - 6 = 5(x - 3)

x = 3

What would you like to ORDER?

100

7(2²+6)

70

200

(5(7) - 4)²

961

300

21 - 3(6)

3

400

4(3 + 3³) - 12

108

500

-7(2 + 2³) - 4

-74

Thats got a nice ring to it

100

Diamond Problem #1

Top: -36

Bottom: -5

200

Diamond Problem #2

Top: -20

Right: -10

300

Diamond Problem #3

Sides: 5 and 6

400

Diamond Problem #4

Left: -10

Bottom: -11

500

Diamond Problem #5

Sides: -11 and -9

What the heck is going on?

100

What is the pattern?

60, 90, 120, 150, 180

+30

200

What are the next two terms?

4096, 512, 64, ____, ____

8, 1

300

Is this table arithmetic, geometric, or neither? Justify your answer.

Arithmetic, the pattern is subtracting 4

400

Is this table arithmetic, geometric, or neither? Justify your answer.

Geometric, multiplying by 2

500

Is this sequence arithmetic, geometric, or neither? Justify your answer.

4, -12, 36, -108, 324

Geometric, the pattern is multiplying by -3

Smorgasbord

100

Evaluate the expression:

3x - 6 if x = 4

6

200

If f(x)= x² + 7, compute the following values. 

f(-3)      and      f(2)

f(-3)= 16

f(2)= 11

300

Translate the expression:

The sum of twice a number and 20

2x+ 20

400

Simplify:

3x(4x - 6)

12x² - 18x

500

Solve the inequality:

-4x + 6 > 30

x < -6