number, such as "1", and then the cell B1 enter the formula in accordance with the equation solving "= LOG (A1) + A1 ^ 2". oapdf.com 我们只需要先在A1单元格中随意输入一个数字,比如“1”,然后在B1单元格 按 照 所 求 解方 程 输 入 公 式“ =L OG(A1)+A1^2”。 oa...
Completing the square was a method that was discovered in order to solve quadratic equations. This method was discovered by Muhammad ibn Musa al-Khwarizmi, a Persian mathematician, astronomer, and geographer. Al-Khwarizmi, also known as the father of Algebra, wrote “The Compendious Book on Cal...
Completing the squareis a method that is used for converting a quadratic expression of the form ax2+ bx + c to the vertex form a(x - h)2+ k. The most common application of completing the square is in solving a quadratic equation. This can be done by rearranging the expression obtained...
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Design of a Digital Game-Based Learning Environment for Solving Quadratic Equations Using Completing-the-Square-MethodOluwatoyin Catherine AgbonifoAkintoba Emmanuel AkinwonmiMosope Samuel Williamson
completing the square (method of solving quadratic equation, math)— 配方法 也可见: completing 形 — 补充 形 a square— 老古板 square 名 — 方 名 · 平方 名 · 方形 名 · 正方形 名 · 格 名 · 方块 名 · 四角形 名 · 轸方 名 · 堂堂正正 名 · 轸 名 square 形 — 平...
‘squarenumber’,or‘completesquare’.Thismeansthatitistheresultofsquaringanothernumber,orterm,inthiscasetheresultofsquaring3or−3.•x2isacompletesquare-itistheresultofsquaringx.Sosimplysquare-rootingbothsidessolvestheproblem.ExampleConsidertheequationx2=5.Again,wecansolvethisbytakingthesquarerootofboth...
Find the roots of3x2−5x+2=0by the method of completing the square. View Solution Doubtnut is No.1 Study App and Learning App with Instant Video Solutions for NCERT Class 6, Class 7, Class 8, Class 9, Class 10, Class 11 and Class 12, IIT JEE prep, NEET preparation and CBSE, UP...
Find the roots (if they exist) by completing the square: 2x^2+x+4=0 02:25 Find the roots (if they exist) by completing the square: sqrt(2)x^2... 02:43 Find the roots (if they exist) by completing the square: x^2-(sqrt(... 04:29 Find the roots (if they exist) by comp...
2. Solve the following quadratic equations by using completing the square method.(a) 2x^2+5x-2=0(b) -2x^2+7x+8=0(c) -x^2+5x+8=0(d) -x^2-2x+4=0(e) x^2+5x-3=0(f) 2x^2+4x-7=0 相关知识点: 试题来源: 解析 (a) x=-2.8508, x=0.3508(b) x=-0.9075, x=4.4075(c)...