Section R.1  Question: 
Which of the following are rational numbers Select all that apply. 

Quiz 1.1 
4 / 2 7 √(28) √(25) (7π) / (3π) 

Variations:  
(9π)(10π) 8π – 4π + 3π 7π – 10π + 3π 
Section R.1 Quiz 1.2 
Question: 
Evaluate:


–1/6 11/6 2/3 1/1 1/6 
Section R.1  Question: 
If you evaluate 6/5X in a graphing calculator, with the value 3 stored in the variable X, what answer will you get? 

Quiz 1.3 
1.2 3.6 .2777777778 3 0.4 

Variation: 
If you evaluate X^4/2 in a graphing calculator, with the value 3 stored in the variable X, what answer will you get? 

3 40.5 .1111111111 6 9 
Section R.2  Question: 
5 > –6 

Quiz 1.4 
True False 

Variation: 
–7 < 3 

True False 
Section R.2 Quiz 1.5 
Question: 
Determine the domain of the variable x in the following expression:


{x  x ≠ 25} {x  x ≠ 0 and x ≠ 25} {0} {25} {0, 25} {x  x ≠ 0} 
Section R.3 Quiz 1.6 
Question: 
What is the area (in square centimeters) of a circle with a diameter of 3 centimeters? Express your answer as a decimal approximation rounded to three decimal places. Do not include the unit of measurement in your answer. 

Variation: 
What is the circumference (in centimeters) of a circle with a radius of 2.1 centimeters? Express your answer as a decimal approximation rounded to three decimal places. Do not include the unit of measurement in your answer. 

Section R.3  Question: 
The three sides of a triangle measure 18 inches, 39 inches and 45 inches. Is the triangle a right triangle? 

Quiz 1.7 
Yes No 

Variation: 
The three sides of a triangle measure 2.1 inches, 7.2 inches and 7.5 inches. Is the triangle a right triangle? 

Yes No 
Section R.4 Quiz 1.8 
Question: 
Simplify (x^{3})^{2}. Write your answer without parentheses using only positive exponents. Write an answer like 3x^{2} as 3x^2. Write an answer like 2 / x^{3} as 2/x^3. 

Section R.4 Quiz 1.9 
Question: 
Simplify (–x^{–3} / 2)^{–2}. Write your answer without parentheses using only positive exponents. Write an answer like 3x^{2} as 3x^2. Write an answer like 2 / x^{3} as 2/x^3. 

Variations: 
Simplify (–x^{2} / 2)^{–3}. Write your answer without parentheses using only positive exponents. Write an answer like 3x^{2} as 3x^2. Write an answer like 2 / x^{3} as 2/x^3. 

Simplify (3x^{–2})^{3}. Write your answer without parentheses using only positive exponents. Write an answer like 3x^{2} as 3x^2. Write an answer like 2 / x^{3} as 2/x^3. 

Simplify (2 / x^{–3})^{3}. Write your answer without parentheses using only positive exponents. Write an answer like 3x^{2} as 3x^2. Write an answer like 2 / x^{3} as 2/x^3. 

Section R.4 Quiz 1.10 
Question: 
Simplify (x^{3}) / (x^{4}). Write your answer using only positive exponents. Write an answer like 3x^{2} as 3x^2. Write an answer like 2 / x^{3} as 2/x^3. 

Variation: 
Simplify (x^{0}) / (x^{4}). Write your answer using only positive exponents. Write an answer like 3x^{2} as 3x^2. Write an answer like 2 / x^{3} as 2/x^3. 

Section R.5  Question: 
Multiply (–4x + 4)(2x + 4) 

Quiz 1.11 
–8x^{2} + 8x + 8 –8x^{2} – 8x + 8 –8x^{2} + 8x + 16 –8x^{2} – 8x + 16 –8x^{2} + 8x + 4 
Section R.5  Question: 
Multiply (2x – 3)(–3x^{2} + 3x + 4) 

Quiz 1.12 
–6x^{3} + 15x^{2} – x + 1 –6x^{3} + 9x^{2} – x – 12 –6x^{3} + 9x^{2} + 8x + 1 –6x^{3} + 15x^{2} – x – 12 –6x^{3} + 9x^{2} + 8x – 12 
Section R.5 Quiz 1.13 
Question: 
When you perform polynomial division, the result is a quotient and a remainder. Enter these quantities separated by the word remainder. For example, if you were asked to divide 8x^{2} + 8x – 2 by 2x + 3, you would enter 4x2remainder4. Perform the following division. Do not include spaces in your answer. If the remainder is zero, write remainder0 after the quotient.


Section R.6 Quiz 1.14 
Question: 
In the next three questions, you will be asked to factor polynomials. Express your answer as a product of polynomials with integer coefficients. For example, if you were asked to factor –9x^{2} + 21x – 12, you should enter either 3(3x4)(x1) or 3(x1)(3x4).


Section R.6  Question: 
Factor 5x^{2} + 6x + 4. Do not include spaces in your answer. If the polynomial is prime, then enter "prime" 

Quiz 1.15 
Section R.6  Question: 
Factor –15x^{2} – x + 6. Do not include spaces in your answer. If the polynomial is prime, then enter "prime" 

Quiz 1.16 
Section R.7 Quiz 2.1 
Question: 
Simplify the following rational expression:


Section R.7 Quiz 2.2 
Question: 
Simplify the following complex fraction:


Section R.8 Quiz 2.3 
Question: 
Simplify √(175x^{4}). Assume all variables represent positive real numbers. Write an answer like 2x^{2}√(2x) as 2x^2sqr(2x). 

Section R.8 Quiz 2.4 
Question: 
Rationalize the denominator in the following expression. Write a quantity like √(5) as sqr(5)


Section R.9 Quiz 2.5 
Question: 
Simplify

