TSI Math Jeopardy

Simplifying Expressions

100

Simplify:

18x² + 24y + 2x + 4x² + 2y + 8x 

 

22x² + 10x + 26y

200

Simplify the following expression:

20(z - 3) - 19(z + 3)

z - 117

300

Simplify for x:
-2x + 3 < 4y + 15

x < -2y - 6

400

Simplify the following:

25a + 7c - 14(a + c) - 10b + 5(a + 3b) 

16a + 5b - 7c

Exponents

100

2³ + 2⁴ = ? 

Note: Answer in either a whole number or in exponent form.

2⁷    or    128

200

(4³)² = ? 

Note: Answer with a whole number or in exponent form.

4⁶     or     4096

300

5⁵/5² = ? 

Note: Answer with a whole number or in exponent form. 

5³      or     125

400

(4⁴)²/4⁵ = ? 

Note answer in exponent form (Ex: 9²)

4³

Numbers

100

An integer is...

A whole number and its negatives (Ex: 8 or -8)

200

A rational number is...

can be written as a fraction, if written as a decimal it either ends or repeats.

300

A irrational number is.... 

a number that can not be written as a fraction, decimals that go on forever without repeating, and roots that cannot be reduced.

400

The cubed root of 512 is what type of number?

(rational or irrational) 

rational (and an integer) 

Graphs

100

The function t is defined by t(x) = 7x - 9

If t(x) = 47 what is the value of x?

x = 8

200

f(x) = 4x - 4

g(x) = 8 + f(x) 

Given the functions f and g defined above, what is the value of g(6)?

28

300

What is the slope of the line 

5x + 3y = 12

-5/3

400

If f(x) = 2^x , then the equation of the graph shifted 3 units to the right is:

f(x) = 2^x-3

Solving Linear Functions

100

What makes a function a LINEAR function?

It is a function with a constant slope. (straight line)

200

if 6q = 10q - 20, then 4q  - 3 = ?

17

300

If 17 = 24 - 5x, then x = ?

x = 7/5

400

If 4/x = 6/7    and   3x/a = 7/2,

then a = ?

a = 4