The fourth method of solving a quadratic equation is by using the quadratic formula, a formula that will solve all quadratic equations. Although the quadratic formula works on any quadratic equation in standard form, it is easy to make errors in substituting the values into the formula. Pay ...
结果1 题目Solve the following quadratic equations by using quadratic formula.(a) 2x^2+3x-4=0(b) -3x^2-4x+1=4x+2x^2-1 相关知识点: 试题来源: 解析 =(-3±√(41))/4 × : (-3+√(41))/4orx=(-3-√(41))/4 反馈 收藏 ...
Enter the coefficients for the quadratic equation ax2 + bx + c = 0: a: b: c: Embed Quadratic Formula Calculator WidgetAbout Quadratic Formula Calculator The Quadratic Formula Calculator is used to solve a quadratic equation using the quadratic formula. Quadratic Equation In mathematics, ...
Put the equation in the formax2+bx+c= 0. Identifyaas... Learn more about this topic: The Quadratic Formula: Definition & Example from Chapter 25/ Lesson 10 29K The quadratic formula is arguably one of the most well-known and important formulas in math. In this lesson, look at ...
Answer to: Solve the quadratic equation using the Quadratic Formula. a)x^2-49 =0 \\ b) x^2- 25 =0 By signing up, you'll get thousands of...
In order to solve a quadratic equation using the quadratic formula, simply take the vales of a, b, and c from the equation: f(x)=ax^2+bx+c, and substitute them into the quadratic formula: x=(-b +- sqrt(b^2-4ac))\(2a). What is the quadratic formula, and what is its use?
二次方程公式(Quadratic Equation Formula):解一般形式的二次方程ax^2 + bx + c = 0,其中a ≠ 0:x = (—b ±√(b^2 — 4ac)) / (2a)拓展:二次方程的解与图像的关系,以及如何利用二次方程解决实际问题。 相关知识点: 试题来源: 解析 二次方程的解为x = (-b ±√(b² - 4ac)) / (2a)...
How do you calculate a quadratic equation? To solve a quadratic equation, use the quadratic formula: x = (-b ±√(b^2 - 4ac)) / (2a). What is the quadratic formula? The quadratic formula gives solutions to the quadratic equation ax^2+bx+c=0 and is written in the form of x = ...
To solve a quadratic equation, we can use the ___ formula. A. linear B. quadratic C. cubic D. exponential 相关知识点: 试题来源: 解析 B。解二次方程可以用二次公式,quadratic 是二次的;linear 是线性的;cubic 是三次的;exponential 是指数的。反馈 收藏 ...
The solution(s) to a quadratic equation can be calculated using the Quadratic Formula:The "±" means we need to do a plus AND a minus, so there are normally TWO solutions !The blue part (b2 - 4ac) is called the "discriminant", because it can "discriminate" between the possible types...