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Katie's school has a rectangular courtyard whose area can be expressed as 3x2 - 7x + 2. Which of the following could be the dimensions of the courtyard in terms of x?
Since the trinomial does not have a coef?cient of one on its highest exponent term, the simplest way to ?nd out the answer to this problem is to use the distributive property. First, by using the original trinomial, identify the sum and product through looking at the terms when the trinomial is in descending order (highest exponent ?rst): 3x2 - 7x + 2.The sum is the middle term, in this case, 7x.The product is the product of the ?rst and last terms, in this case, (3x2)(2) = 6x2. Now, identify two quantities whose sum is -7x and product is 6x2, namely -6x and -x. Rewrite the original trinomial using these two terms to replace the middle term in any order: 3x2 -6x - x + 2. Now factor by grouping by taking a common factor out of each pair of terms.The common factor of 3x2 and -6x is 3x and the common factor of -x and 2 is -1.Thus, 3x2 - 6x - x + 2 becomes 3x(x - 2) - 1(x - 2). (Remember that if this expression was multiplied back out and simpli?ed, it would correctly yield the original polynomial.)Presently, this two-term expression has a common factor of (x - 2) which can be factored out of each term using the distributive property: 3x(x - 2) - 1(x - 2) becomes (x - 2)(3x -1).The dimensions of the courtyard are (x - 2) and (3x - 1).
Sam''s sport''s equipment sells footballs. They maximized their profitability last year at (6,4) where x represents employees and P(x) represents profitability. Sam noticed that wh
X-intercept If an intercept crosses the x-axis we will call it as x-intercept . Y-intercept Similar, if an intercept crosses the y-axis we will call it as a y-inter
1. Let G = (V,E) be a graph for which all nodes have degree 5 and where G is 5-edge is connected. a) Show that the vector x which is indexed by the edges E and for which x e =
The manager of a specialty store marks up imported products 110%. If a vase imported from Italy costs him $35, what price tag will he put on the item? To ?nd out the price he s
what is 10+10
7 3/4-3 5/6=
Find out the x-intercepts & y-intercepts for each of the following equations. y =x 2 +x - 6 Solution As verification for each of these we wil
prove that cos(a)/1-sin(a)=tan(45+A/2)
Please help
Factoring By Grouping It is a method that isn't utilized all that frequently, but while it can be used it can be somewhat useful. Factoring by grouping can be nice, however it
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