1.Use the quadratic formula to prove that the roots of such an equation must have -a/b as their sum and a/c as their product.2.Prove that the sum of the squares of the roots of such an equation is a/b-2ac.(Hint):Consider(r1+r2).Derive an expression for r1+r2 from this.) ...
1英文的use the quadratic formula to find the zeros of the function.f(x)=25x^2+80x+64Express your anwser in simplified form,do not convert to decimal form. 2【题目】英文的use the quadratic formula to find the zeros ofthe function.f(x)=25x^2+80x+64Express your anwser in simplified...
Use the quadratic formula to solve for x.4x^2+5x-2=0 (If there is more than one solution, separate them with commasx=▱ 相关知识点: 试题来源: 解析 4x^2+5x-2=0 HereD=b^2-4ac =(5)^2-4*4*(-2) =25+32=57∴x=(-b±√0)/(2a) euist.x=(-b+√b)/(2a) 8x=(-b-√...
待解决 悬赏分:1 - 离问题结束还有 Use the quadratic formula to solve for .问题补充:匿名 2013-05-23 12:21:38 使用二次公式来解决。 匿名 2013-05-23 12:23:18 使用二次方程的公式来解决的。 匿名 2013-05-23 12:24:58 使用二次方惯例解决为。 匿名 2013-05-23 12:26:38 使用二次公式来解决...
【题目】8 Use the quadratic formula to solve the following equations for.x.(1) x^2-x=a^2 ;(2) 20m^2x^2+11mnx-3n^2=0(m≠q0) 相关知识点: 试题来源: 解析 【解析】8(1)The originalequation is converted intox^2-x-a^2=0 so△=1+4a^2.Thercforex=(1±√(1+4a^2))/2 (2)...
Use the quadratic formula to solve x2 = 3x + 3. The Quadratic Formula: The quadratic formula is a formula that can be used to solve a quadratic equation. It does so by finding values of x that make the quadratic equation in the form ax2 + bx + c = 0 a true statement. Answer an...
百度试题 结果1 题目Use the quadratic formula to solve these equations.Write your answers correct to 3 significant figures.2x^4+x^2-5=0 相关知识点: 试题来源: 解析 ±1.16
高一Add.MathsFind the solution of each of the following equations.Use the quadratic formula and express answer correct to 2 decimal place or in fractional form.a.3x2 - x - 2 = 0b.14x2 + 17x - 6 = 0*a.3x2(square) *b.14x2(square) 下载作业帮APP学习辅导没烦恼 ...
Find the solution of each of the following equations.Use the quadratic formula and express answer correct to 2 decimal place or in fractional form.a.3x2 - x - 2 = 0b.14x2 + 17x - 6 = 0*a.3x2(square) *b.14x2(square)
【高手进,2道英文数学题的翻译1.Usethequadraticformulatoprovethattherootsofsuchanequationmusthave-a/bastheirsumanda/castheirproduct.2.Provethatthesumofthesquaresoftherootsofsuchanequationisa/b-2ac.(Hin】 高手进,2道英文数学题的翻译 1.Usethequadraticformulatoprovethattherootsofsuchanequationmusthave-a...