8th Grade EOY Jeopardy Review

Rational vs. Irrational

100

Which of the following numbers is irrational? 2.5656..., 2.45678..., 1/3, -8

 2.45678...

200

Which two integers will √10 fall?

 3 and 4.

300

Which is greater? √100 or 5³?

5³

400

The √79 is between which two integers?

8 and 9

500

List the order from least to greatest of the following numbers. 3.25, pi, √4, 2.5, 3.1, 2.14

√4, 2.14, 2.5, , 3.1, pi, 3.25

Exponents

100

Evaluate 8⁵

32, 768

200

What is x⁵ divided by  x⁷? Your answer should contain a POSITIVE exponent

1/x²

300

Simplify (x³)⁴ * (x⁷)⁰

x¹²

400

Simplify (a²b^-4c⁹)³/(a⁵b¹³c^-27)

a⁵bc

500

What is (-9)⁷?

-4,782,969

System of Equations

100

Write in Slope-Intercept Form:

4x + y = 9

Y = -4x + 9

200

Write in Slope Intercept Form:

5x + 7y = 14

Y = -5/7x + 2

300

Write the equation of a line with a slope of 4 that passes through the point (-1, 2)

Y = 4x + 6

400

Write the equation of a line that passes through the points (-5, 8) and (4, -1)

Y = -1x + 3

500

Solve the system of equations by using substitution:

-4x - y =22

y = 4x + 18

x = -5 y = -2

(-5,-2)

Linear Models

100

If the line with equation Y=1/3x is shifted up 5 units, what will the new equation be?

Y=2x

200

All vertical lines have a slope of __________?

Undefined

300

All horizontal lines have a slope of ________.

Zero

400

Solve the system of equation by substitution: 

Y = 7x -1

Y = 6x

x = 1, y = 6

(1,6)

500

Write an equation to represent the relationship between X and Y:   X        Y

                           -6        -3

                           9          2

                          12         3

Y = 1/3x -1

Solving Equations

100

Solve for y:

3(2y-4) = 8y +9-9y

Y = 3

200

Solve for X

8(x-10)+2(x+60)=0

x=-4

300

Solve for x:

-4(-3x+5)=30+2x

x=5

400

Solve for x:

7(2x-2)=9x-18+5x

No Solution

500

Write the next line of the pattern:

17567

1117151617

3117111511161117

132117311531163117