Math Jeopardy!

Solving Inequalities

100

2 minutes

Solve for x:

6x > 18

x > 3

200

3 minutes

Solve for x:

7x – 8 ≤ -15

x ≤ -1

300

3 minutes

Solve for x:

-4x + 3 < 15

x > -3

Solving Absolute Values

100

2 minutes

Solve for x:

|x|= 5

x = 5 

and 

x = -5

200

3 minutes

Solve for x:

|x - 2|= 8

x = -6 

and 

x = 10

300

4 minutes

Solve for x:

|2x + 4| - 3 = 13

x = -10 

and 

x = 6

Parallel and Perpendicular Lines

100

3 minutes

What equation is parallel to the line y = 2x + 4 and goes through point (1,1)?

y = 2x - 1

200

3 minutes

What equation is perpendicular to the line y = -4x – 3 and goes through the point (4,3)?

y = 1/4x + 2

300

4 minutes

Write two equations, one that is parallel and one that is perpendicular to the line y = -4/3x + 5 and goes through the point (0,3).

y= -4/3x + 3 (parallel) 

and 

y = 3/4x + 3 (perpendicular)      

Elimination Method

100

4 minutes

Use the elimination method to solve the following system of equations:

-4x + 3y = -13

-8x + 3y = -17

(1, -3)

200

5 minutes

Use the elimination method to solve the following system of equations:

5x – y = 48 

15x – 9y = 192

(8, -8)

300

5 minutes

Use the elimination method to solve the following system of equations:

-3x – y = -13

7x – 5y = -43

(1, 10)

Distribution Method

100

4 minutes

Use the elimination method to solve the following system of equations:

y + 14 = -5x 

y = 2x

(-2,-4)

200

5 minutes

Use the elimination method to solve the following system of equations:

3x – 4y = 6  

y = 1/2x + 2

(14,9)

300

5 minutes

Use the elimination method to solve the following system of equations:

y + 12 = 5x 

y - 40 = -8x

(4,8)