8th Grade Math Jeopardy EOY

Miscellaneous 1

100

True or False.

 square root 243 falls between 15 and 16.

True.

200

Mr. Hines paid $8.40 for an international phone call. He paid a fee of $1.25 plus $0.55 per minute. This is an equation can be used to find x, the length of the call in minutes?

What is 0.55x + 1.25 = 8.40

300

Solve the following multi-step equation.

4(3x-12)+12x=8x+12

x= 3.75 or 15/4

400

How many solutions does the following equation have?

2x-5=-5-2x.

One solution. x=0

500

Evaluate the following. 

2⁵ x 2^-5

1

miscellaneous 2

100

What is the test we do to decide if a line on a graph will be a function or not a function?

Vertical Line Test

200

Solve the inequality and graph the following. 

6-4(6n+7)>122

n<-6

Open circle to the left. 

300

 The North Veterinary Clinic charges a single service charge of $200 and then $125 per hour to take care of Santa’s reindeer.  Write an equation in slope-intercept form to represent this situation.

y=125x+200

400

Write m, b, and the equation.

3x+y=9

m=-3 b=9         Y=-3x+9

500

The foot of a ladder is placed 6 feet from a wall. If the top of the ladder rests 8 feet up, how tall is the ladder?

10 feet

Volume/Scientific Notation

100

What would the volume of a cone be with a radius of 4ft and a height of 12ft? (2 Answers)

64pi ft³

200.96 ft³

200

What is the volume of a basketball that has a diameter of 12cm? (2 answers)

288pi cm³

904.32 cm³

300

Convert the following number into scientific notation 543,200.

5.432 x 10⁵

400

Convert the following number from scientific notation to standard form. 4.2341 x 10^-6

.0000042341

500

What is the volume of a cylinder that has a diameter of 14m and a height of 20m? (2 Answers)

980pi m³ and 3077.2 m³

Pythagorean Theorem

100

Would the following be a right triangle?

4²+5²=7²

No.

200

A right triangle has the following lengths, a side length of 3cm and a diagonal length of 5cm. What is the length of the other side?

4cm

300

Would the following create a right triangle?

25²+32²=68²

No. 

400

What is the length of the missing diagonal of the right triangle if the sides are 4cm and 8cm? (Square root form or rounded)

square root 80cm or 8.9cm.

500

a=?     b=12    c=16

Find the missing length from a from the right triangle.

square root 112 or 10.6

Linear Equations/Systems

100

Put the following in slope intercept form. (Y=mx+b)

8x+8y=16

Y=-x+2

200

Write a linear equation for the following table. 

X    -2   -1    0   1   2 

Y   -12   -7  -3   1   5

m=5     b=-3

Y=5x-3

300

Compare the following two equations.

A.   Y=-4x+12

B.   4x+2y=16

Which has the greater rate of change?

A

400

What is the slope of the line if we are given the points (0,12) and (4,9)?

-3/4

500

Write a linear equation based off the following two points. (0,1) and (3,7)

Y=2x+1