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:
 54 – 712

–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:
 4xx(x + 25)

{x | x ≠ -25}
{x | x ≠ 0 and x ≠ -25}
{0}
{-25}
{0, -25}
{x | x ≠ 0}

 Section R.3Quiz 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.4Quiz 1.8 Question: Simplify (x3)2. Write your answer without parentheses using only positive exponents. Write an answer like 3x2 as 3x^2. Write an answer like 2 / x3 as 2/x^3.

 Section R.4Quiz 1.10 Question: Simplify (x3) / (x4). Write your answer using only positive exponents. Write an answer like 3x2 as 3x^2. Write an answer like 2 / x3 as 2/x^3. Variation: Simplify (x0) / (x-4). Write your answer using only positive exponents. Write an answer like 3x2 as 3x^2. Write an answer like 2 / x3 as 2/x^3.

 Section R.5 Question: Multiply (–4x + 4)(2x + 4) Quiz 1.11 –8x2 + 8x + 8 –8x2 – 8x + 8 –8x2 + 8x + 16 –8x2 – 8x + 16 –8x2 + 8x + 4

 Section R.5 Question: Multiply (2x – 3)(–3x2 + 3x + 4) Quiz 1.12 –6x3 + 15x2 – x + 1 –6x3 + 9x2 – x – 12 –6x3 + 9x2 + 8x + 1 –6x3 + 15x2 – x – 12 –6x3 + 9x2 + 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 8x2 + 8x – 2 by 2x + 3, you would enter 4x-2remainder4.

Perform the following division. Do not include spaces in your answer. If the remainder is zero, write remainder0 after the quotient.
 30x2 – 28x + 95x – 3

 Section R.6Quiz 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 –9x2 + 21x – 12, you should enter either -3(3x-4)(x-1) or -3(x-1)(3x-4). Do not include spaces in your answerAny constant factors should appear firstThe terms of each factor should be in order of decreasing degree. That is, (3x-4), not (4-3x).If the polynomial is prime, then your answer should be "prime" (with or without quotes). Factor 81x2 – 64. Do not include spaces in your answer. If the polynomial is prime, then enter "prime"

 Section R.6 Question: Factor 5x2 + 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 –15x2 – 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:
 5z + 1z(z – 2) – 2z

Section R.7
Quiz 2.2
Question: Simplify the following complex fraction:
 5y – 2

 1y + 2

 Section R.8Quiz 2.3 Question: Simplify √(175x4). Assume all variables represent positive real numbers. Write an answer like 2x2√(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)
 43 + √(6)

Section R.9
Quiz 2.5
Question: Simplify
 y1/2y1/6