Pre-Algebra Jeopardy

Solve for X

100

8x-4=7x+8

X=12

200

3x+(-2)=5x+6

x=-4

300

10x+4=8+7x

x=1.333333333333

400

11x+(-9)=(-9x)-2

x=.35

500

940x+24=932x-24

x=-6

Combining like terms

100

3x+4x+2-4

7x+(-2)

200

9x+9x-2+19

18x+17

300

3x+4x²+9x-20x²+2

-17x²+12x+2

400

2y(y) - 3y + 4y² - 5y

6y²-8y

500

2y + 5x -2(x+y) -2x(2y)

3x - 4xy

Area and circumference of circles

100

If the diameter is 6 what is the circumference and area. 

C=6π 

A= 9π 

200

If the diameter is 10 what is the area and circumference? 

C= 10π 

A= 25π 

300

If the radius is 2.5 what is the area and circumference. 

C= 5π 

A=6.25π  

400

If the circumference is 16π  what is the area and radius?

R= 8

A= 64π 

500

If the area is 1.44π  what is the diameter and circumference?

R= 1.2

C= 2.4π 

Fraction Busting

100

x/5+1=7/8

-0.625

200

x/4-x/5=6

24.8

300

x/10+4/2=6

-10

400

7/6-x/8=3/9

6.67

500

4/6+2/10=5/3-x/7

5.6

???

100

What is the Pythagorean Theorem?

a²+b²=c²

200

Find the prime factorization of 72

2³ x 3²

300

Solve the inequality.

2x + 5 > -4

x > -9/2

400

Convert the square root of 48 into simplified radical form.

4 root 3

500

Blossom, Bubbles, and Buttercup got paid a total of $120 for saving the City of Townsville. They split the

money in the ratio of 5: 9: 10. 

How much money did each person make?

Blossom: $ 25

Bubbles: $ 45

Buttercup: $ 50