327 Words2 Pages

Factorizing Polynomials and Solving Rational Expressions Answer the following questions and show all your calculations. There are different methods for factoring. All methods involve some sort of trial and error. That’s why it is always important to check your answer by foiling. 1. Factor a trinomial whose leading coefficient is 1. Pick any one of the problems and solve the trinomial. If the trinomial is prime, state this and explain why. a. x2+8x+15 b. x2–4x –5 c. x2–14x+45 2. Factor a trinomial whose leading coefficient is not 1. Pick any three problems and factor the trinomial. If the trinomial is prime, state this and explain why. a. 2x2+5x –3 b. 3x2–2x –5 c. 6x2–17x+12 d. 8x2+33x+4 e. 9x2+5x –4 f. 15x2–19x+6 3. Factor a difference of squares trinomial. Pick any three problems and find the difference. a. x2 –144 b. 64x2 –81 c. 36x2 –49y2 d. x4 –1 e. 81x4 –1 4. Factor a perfect square trinomial. Pick any two problems and factor each perfect square trinomial. a. x2+4x+4 b. x2–10x+25 c. 25x2+10x+1 d. 64x2–16x+1 5. Rational Expressions: Often we use rational expressions to evaluate the cost of a service.
Pomper Demolition Service can estimate the cost of removing a percentage of debris after the demolition of a building. They use the following expression, where “x” is the percentage of debris cleaned up.
35000x2 – x200x
Answer the following questions. Show all your calculations. a. Simplify this expression by factoring out the greatest common factor:
35000x2 – x200x b. Find the cost if Pomper Demolition Service removes 95% of the debris by evaluating the expression for x = 95.
Submission Requirements:
Answer all the questions included in the lab. You can submit your answers in a Microsoft Word document, or write your answers on paper and then scan and

Related

## Unit 3 Assignment 1

328 Words | 2 PagesSet result = 4+8 B. Set result = 2*2 C. Set result = 8/4 D. Set result = 8-2 5. Write a pseudcode statement that declares the variable cost so it can hold real numbers. Dim cost1 As Double = 0 6. Write a pseudocode statement that declares the variable total so it can hold integers.

## Algorithm Workbench Essay

330 Words | 2 Pages{ b = 2 + a } b) Multiplies b by 4 and stores the result in a. { a = b * 4} c) Divides a by 3.14 and stores the result in b. { b = a MOD 3.14 } d) Subtracts 8 from b and stores the result in a { a = 8 – b } 4. Assume the variables result, w, x, y and z are all integers, and that w=5, x=4, y=8 and z=2. What value will be stored in result in each of the following statements?

## Unit 3 Assignment 1: Homework - Pt1420

608 Words | 3 PagesSet result = x + y = 4+8= 12 b. Set result = z * 2 = 2*2= 4 c. Set result = y / x = 8/4= 2 d. Set result = y – z = 8-2= 6 5. Write a pseudocode statement that declares the variable cost so it can hold real numbers. Floating-point variable cost 6. Write a pseudocode statement that declares the variable total so it can hold integers.

## Unit 3 Intro to Progamming

319 Words | 2 PagesAdds 2 to A and stores the result in B B=A+2 B. Multiplies B: times 4 and stores the result in A: A=B*4 C. Divides A: by 3.14 and stores the result in B: B = A / 3.14 D. Subtracts 8 from B: and stores the result in A: A=B-8 4. Assume the variables result, w, x, y, and z are all integers, and that w = 5, x = 4, y = 8, and z = 2. What value will be stored in result in each of the following statements? A. Set result = x + y B.

## Mat 126 Week 4 - Pythagorean Triples

433 Words | 2 PagesWhen using the formula to create Pythagorean triples, 144 + 1,225 = 1,369. One can see that 12^2 + 35^2 = 37^2, resulting in a Pythagorean triple. Another Pythagorean triple would be 36, 77, and 85 and can be double checked by stating 36^2=1,296, 77^2=5,929, and 85^2=7,225. By adding 1,296+5,929 the sum is equal to 7,225 which the square root is equal to 85 or 36^2 + 77^2 = 85^2. As I stated earlier, there are an infinite number of Pythagorean triples so the numbers can of course be very high numbers and not only small, or single/double digit numbers.

## Pythagorean Triples And Theorem Equation

891 Words | 4 PagesThis is expressed as a^2 + b^2 = c^2.” (Weisstien, 2011) 13 40 Pythagorean triangles are right triangles in which all three sides are integers. A Pythagorean triple is a triple of positive integers a, b and c such that a right triangle exists with legs a, b and c hypotenuse. An example would be: 95 5 5 41 12 5, 12, 13 9, 40, 41 52 + 122 = 132 92 + 402 = 412 25 + 144 = 169 81 + 1600 = 1681 By using the Pythagorean Theorem, you need to find the equivalent for finding positive integers a, b and c satisfying a2 + b2 = c2. The smallest and best-known Pythagorean triple is (a, b, c) = (3, 4, 5). The right triangle having these side lengths is sometimes called the 3, 4, 5 triangle.

## Ma-1210 Week10 Lab

279 Words | 2 PagesBegin by writing the corresponding linear equations, and then use back-substitution to solve your variables. 10–1301–8001 159–1 = x-13z=15y-8z=9z=-1 = x-13(-1)=15y-8(-1)=9z=-1 = x=2y=1z=-1 x,y,z=(2 , 1 , -1) Determinants and Cramer’s Rule: 2. Find the determinant of the given matrix. 8–2–12 = 8*2 - (-1)(-2) = 16 - 2 = 14 3. Solve the given linear system using Cramer’s rule.

## Exercise 1.1 Review

426 Words | 2 PagesDaniel Jones NT1210 Lab 1.1 Review 1. Convert the decimal value 127 into binary. Explain the process of conversion that you used. 127 | 127 | 63 | 31 | 15 | 7 | 3 | 1 | 128 | - 64 | - 32 | - 16 | - 8 | - 4 | - 2 | - 1 | | = 63 | = 31 | = 15 | = 7 | = 3 | = 1 | = 0 | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | The answer is: 01111111 If the decimal number is less than the greatest power of 2 than you must put a 0 for that number than carry that same decimal number over to the right one decimal place. For example.

## Math Unit 2

580 Words | 3 PagesAnd length of minor axis = 2b = 2*10 = 20. c) From part a) and b), we have a = 8 and b = 10 and h=3,k=-5 So, c2=b2-a2=102-82=100-64=36 =>c=sqrt36= 6. In this given equation b>a So, this is a vertical ellipse. Therefore, coordinates of foci = (3, -5+6) and (3, -5-6) Foci are (3,1) and (3, -11). d) This is the graph of given ellipse with foci and center. (12 points) Score | | 2.

## Savadyne, Inc. Produces Flash Drives. the Selling Price Is $8 Per Drive. the Variable Cost of Production Is $2

649 Words | 3 PagesTo find the PV of a lump sum, we use: PV = FV / (1 + r)t PV = $160,000 / (1.1025)10 PV = $60,302.32 ______________________________________________________________________________ CHAPTER 5 DISCOUNTED CASH FLOW VALUATION Solutions to Questions and Problems 8. Here we have the FVA, the length of the annuity, and the interest rate. We want to calculate the annuity payment. Using the FVA equation: FVA = C{[(1 + r)t – 1] / r} $25,000 = $C[(1.04758 – 1) / .0475] We can now solve this equation for the annuity payment. Doing so, we get: C = $25,000 / 9.46414 C = $2,641.55 14.

### Unit 3 Assignment 1

328 Words | 2 Pages### Algorithm Workbench Essay

330 Words | 2 Pages### Unit 3 Assignment 1: Homework - Pt1420

608 Words | 3 Pages### Unit 3 Intro to Progamming

319 Words | 2 Pages### Mat 126 Week 4 - Pythagorean Triples

433 Words | 2 Pages### Pythagorean Triples And Theorem Equation

891 Words | 4 Pages### Ma-1210 Week10 Lab

279 Words | 2 Pages### Exercise 1.1 Review

426 Words | 2 Pages### Math Unit 2

580 Words | 3 Pages### Savadyne, Inc. Produces Flash Drives. the Selling Price Is $8 Per Drive. the Variable Cost of Production Is $2

649 Words | 3 Pages