Topic 4 Jeopardy

Solve for the Variable

100

x + 5 = 12

x = 

x = 7

200

x − 7 = 15

x = 

x = 22

300

4x = 28

x = 

x = 7

400

x/6 = 9

x =  

x = 54

500

3x + 2 = 20

x = 

x = 6

Writing Inequality

100

x is greater than 10

x>10

200

x is less than or equal to 8

x ≤ 8

300

x is at least 15

x ≥ 15

400

x is no more than 20

x ≤ 20

500

Five times a number is greater than 40

5x > 40

Graphing Inequalities

100

Graph: x > 4

Open circle at 4, arrow right

200

Graph: x ≤ 7

Closed circle at 7, arrow left

300

Graph: x < 6

Open circle at 6, arrow left

400

Graph: x ≥ 3

Closed circle at 3, arrow right

500

Graph: 3x ≤ 12

Closed circle at 4, arrow left

Input/Output

100

What is the rule?

x      y 

2      4

6      12

7      14

2x = y

y/2 = x

200

Find the missing numbers. 

Rule: Divide by 2, then add 1

x      y

2      ?

4      ?

8      ?

y = 2, 3, 5

300

Write the rule that represents the table AND find the missing numbers

x    0   2   10   16   20   

y    0   1    5     ?     ?

2y = x    or     x/2 = y

Missing numbers: 8, 10

400

Write the RULE and find the missing numbers for the table

x     y 

3     12

5     20

6      ?

4x = y     or       y/4=x

24

500

How much for each ticket?

Cost (c)          Number of Tickets (t)

$16.50                          3

$27.50                          5

$44.00                          8

Each ticket is $5.50

(Blank)

100

x + 9 = 25

x = 

x = 16

200

Write an inequality:

A number divided by 5 is less than 6

n/5 < 6

300

Write an inequality: Up to 50 people visited the zoo today

x ≤ 50

400

(4/2) x = 6

x = 

x = 3

500

Graph "A number multiplied by 3 is at most 18" on number line 

x≤6

Graph: closed circle at 6, arrow left