1. 114300-228600Colegio San Patricio<br />1st Period Review<br />School Year 2010 – 2011<br />Name ___________________________________________________ List No._________<br />Date_____________________________________________________ 8th_________<br />Working with real numbers<br />1) 2) <br />3) 3) <br />Adding and Subtracting Polynomials<br />4) 5) 3x5 + 6x3 - 2x2 + x - 2<br /> + 2x5 - 3x4 - 6x3 + 4x2 - 3x + 5 <br />6) 7) <br />8) Subtract from <br />2n-19) Express the perimeter of the figure in simplest form.<br />5n2+3n-4<br />2n-1<br />-6n+8<br />-3n2+n+3<br />Drawing and classifying angles<br />10) Draw the fallowing angles and classify.<br />a) 65°b) 135°c) 260°<br />Type: __________ Type __________Type___________<br />11) Measure the following angles<br /> <br />12) What is the complement of an angle that measures 65° ?<br />13) What is the supplement of an angle that measures 120° ?<br />14) Two angles are supplementary.The measure of one angle is twice as large as the measure of the other . Find the measure in degrees of each angle.<br />15) Line MN and line RS intersect in point t (vertex)<br />If m ‹ RTM = 5x and m ‹ NTS = 3x + 10 , find ‹ RTM<br />If m ‹ MTS = 4x – 60 and m ‹ NTR = 2x , find ‹ MTS<br />If m ‹ RTM = 7x + 16 and m ‹ NTS = 3x + 48 , find ‹ NTS<br />16) The figure below shows two parallel lines cut by a transversal. In each exercise find the measures of all eight angles under the given conditions.<br />12435867<br />m ‹ 3 = 2x + 40 and m ‹ 7 = 3x + 27<br />m ‹ 4 = 3x + 40 and m ‹ 5 = 2x<br />Ratios, Rate, Proportions and Scale Factors<br />17) Find the amount of tax in a Television that costs $650 with a tax rate of 8%.<br />18) During a sale a store offers a discount of 25% off any purchase. What is the regular price of a dress that a customer purchased for $73.50 ?<br />19) Last year Maria´s rent was $600 per month. This year, her rent increased to $630 per month. What was the percent of increase in her rent?<br />20) If the sales tax on $150 is $7.50 what is the percent of the sales tax?<br />21) Can an 8 inch by 12 inch photograph be reduced to 3 inch by 5inch photograph? Explain why or why not?<br />22) The ratio of two numbers is 1:4, and the sum of these numbers is 40. Find the numbers.<br /> <br />