Dwyer's Choice
Radical Equations #1
Radical Equations #2
Radical Equations #3
Inverse Functions
100

What is the capital in Virginia? 

V...duh

100

The solution(s) of:  sqrt(5x+6) = x 

What is: x=6

100

The solution(s) of: 

2(x - 3)^(1/2) + 1 = 7

What is: x = 12

100

The solution(s) of: 

0.5(x + 2)^(1/2) = 1

What is: x = 2

100
Is the relation below One-To-One?

{(1,2)(3,4)(5,6)(7,8)}

Yes

200

Complete this phrase:

"This this the Krusty Krab?"

"__ _____ __ _______" 

No, this is Patrick

200

The solution(s) of:  sqrt(4x-3)=5 

What is: x = 7

200

The solution(s) of:  (7x -12)^(1/2) = x 

What is: x = 4,3

200

The solution(s) of:  (x + 3)^(1/2) = 2

What are: x = 1

200

What is the inverse of 

f(x)=x^2 ; x>=0

f^-1(x)=sqrtx ; x>=0

300

A number that is obtained by solving an equation correctly, but is not actually a solution.

What is an extraneous solution?

300

sqrt(-3x+10) - sqrt(-7x+38) = 0

x = 7

300

Can you take the square root of a negative number and stay in the Real Number System?

No, the square root of a negative number is imaginary. 

300

What is the fifth root of -32?

-2

300

Determine the inverse function for: 

f(x)=-2/5x+1

f^-1(x)=-5/2x+5/2

400

What is the only number between 0 and 1000 with the letter "a" in it?

1000

400

The solution(s) of:  sqrt(12x-47) - sqrt(2x+23)=0 

What is: x = 7

400

The solution(s) of: 

-2(x + 4)^(1/2) + 5= -7

What is: x = 32

400

The solution(s) of:  (2x - 1)^(1/2) = x 

What are: x = 1,1

400

If  f(x)=x^2+8 ; x>=0  and  g(x)=sqrt(x-8) determine if  f(x)  and  g(x)  are inverse functions of each other. 

Yes...Yes they are

500

What letter does every odd number have in it?

"e"

500

The solution(s) of: 

sqrt(-9x-14)=0

What is: -14/9

500

The solution(s) of: 

(x^2 + 5x + 12)^(1/3) = 2

What are: x = -4, -1

500

The solution(s) of:  (5x^2 + 14x)^(1/3) = x 

What are: x = 7, -2, 0

500

When looking at a graph of two functions, you can tell them are inverses if what happens?

They are reflected over the line x = y.