TO FACTOR WHEN CONSTANT TERM POSITIVE OR NEGATIVE TO FACTOR x2 + bx + c WHEN IS POSITIVE When the constant term of a trinomial is positive, look for two…
Month: May 2014
Factoring x2 + bx + c
Factoring x2 + bx + c We now begin a study of the factoring of trinomials. We first factor trinomials like x2+ 5x + 6 and x2 + 3x –…
Factoring by Grouping: Four Terms
Factoring by Grouping: Four Terms Certain polynomials with four terms can be factored using a method called factoring by grouping. Consider the four-term polynomial x3 + x2 + 2x…
Factoring When Terms Have a Common Factor
Factoring When Terms Have a Common Factor The polynomials we consider most when factoring are those with more than one term. To multiply a monomial and a polynomial with…
Finding the Greatest Common Factor
Finding the Greatest Common Factor The numbers 20 and 30 have several factors in common, among them 2 and 5. The greatest of the common factors is called the…
Problem 396
Problem 396 The Free Throw Problem. A basketball player has made 135 free throws in 180 attempts. Of the next 50 free throws attempted, how many would she have to…
Problem 395
Problem 395 Sybil is planning a trip to Paris. She estimates that 1 euro is worth about 1.2 U.S. dollars. Her budget for the trip allows $150 per night for…
Problem 394
Problem 394 In one year, the Dow Jones Industrial Average increased from 3,945 to 4,386. What percent increase dose this represent to the nearest tenth of a percent? Solution…
Problem 393
Problem 393 Kathy and Tommie put 20%, or $35,000, to purchase a new house. What is the price of the house? Solution According to the question 20% of…
Problem 392
Problem 392 If 3 sacks of chips cost $4.50, how much would you expect 10 sacks to cost? Solution Cost id 1 sack = = $1.5 Now cost of…
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