##### Across

**2.**is commonly used to describe the measurement of the steepness**4.**internal angle**5.**expressions that are multiplied together to produce a product**9.**done by plotting x & y intercepts**12.**a eight-sided shape**13.**what is the short term of GREATEST COMMON FACTOR?**15.**what is "F" in the foil method**17.**horizontal axis of a system of coordinates**18.**the axes of a 2 dimensional cartesian system**19.**who discovered cartesian plane**21.**each of a group of number used to indicate the position of a point,line or plane**22.**was introduced in europe in 1202 in fibonacci's liber abaci**24.**the number below the line in a common fraction**25.**a seven-sided shape**26.**kind of mental activity that involves making conclusions by guessing**28.**what is the short term of LEAST COMMON FACTOR?**29.**what is 4 by word**31.**is arriving of specific conclusions based on some accepted general statements**32.**what is "I" in the foil method**34.**is nothing more than a fraction in which the numerator and/or the denominator are polynomials**38.**usually along which the ordinate is measured**39.**this shape has 3 sides**40.**what is "O" in the foil method

##### Down

**1.**what is "L" in the foil method**3.**in what country introduced the lattice multiplication?**4.**is an inference made based on the assumption**6.**is the number whose absolute value**7.**mostly refers to that element of an ordered pairc**8.**is a number that can be written without a fractional component**10.**the slopes are not equal**11.**contains fractional expression in either the numerator or the denominator**14.**a five sided shape**16.**-**20.**the graphs of the equations overlapping each other**23.**not consistent or having a fixed pattern**27.**is obtaining a conclusion**29.**represents a part of a whole or more generally,any number of equal parts**30.**means to "measure the earth"**33.**is the point where they intersect**35.**+**36.**what is 3 by word**37.**a six-sided shape