![]() ![]() Long ago, a teacher reminded me in a jokingly way that mathematicians are lazy, hence let's find all the shortcuts possible. After all, algorithms in math were developed to increase efficiency. It's important to be able to use the various methods so that you will eventually be able to use the most efficient method. However, there are other worksheets that require you to complete the square, factor and graphing. Note that the answers are found on the second page of the PDF.Īlthough there are other methods to solve quadratic equations (factoring, graphing, completing the square) it is important to use efficiency, hence you are asked to use the quadratic formula to solve these questions. Five times a number squared, minus that number is the product of three times the number with seven more than the number.Use the Quadratic Formula to Solve the Equations(Answers on 2nd page of PDF.Įach worksheet is in PDF for quick printing.The cost, in cents, of an item is 12 more than the number of items purchased.A number is doubled, and the result is multiplied by two more than the number.Two is added to a negative number, and the result is squared.If a number is doubled, and the result is tripled, and then 5 is subtracted, the result is 85.Next year, the product of their ages will be 104. The length is five less than twice the width. ![]() 3D shapes: nets Video 4 Practice Questions Textbook Exercise. 3D shapes: names Video 3 Practice Questions Textbook Exercise. 2D shapes: quadrilaterals Video 2 Practice Questions Textbook Exercise.
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