百度试题 结果1 题目Solve the equation by using the Quadratic Formula. 相关知识点: 试题来源: 解析 You getThe solution of the equation is x such that.反馈 收藏
Solve the equation using the quadratic formula. {eq}4x^2 + 10x + 3 = 0 {/eq} Quadratic Formula Given a quadratic equation of the form {eq}ax^2+bx+c=0, {/eq} one can solve for the unknown variable {eq}x {/eq} by using the quadratic formula: $$x = \frac{...
Solve each equation using the quadratic formula. -4x^2+2x+3=0 相关知识点: 试题来源: 解析 x= (\ 1± √ (13))4 -4x^2+2x+3=0, so a=-4, b=2, c=3.x= (-(2)±√ (2^2-4(-4)(3)))(2(-4))= (-2± √ (52))(-8)= (\ 2± √ 4√ (13))8= (\ 2± 2√ (...
The quadratic formula is written as {eq}x =\dfrac{-b\pm \sqrt{b^2-4ac}}{2a} {/eq}Answer and Explanation: We have to solve the equation {eq}y=4x^{2}+6x+11 {/eq} by using the quadratic formula. Comparing it with the standard form of quadratic......
Tiger shows you, step by step, how to solve YOUR Quadratic Equations 144=-16x^2+95x by Completing the Square, Quadratic formula or, whenever possible, by Factoring
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 ...
Solving & Graphing Quadratic Equations Lesson Plan Lead Coefficients of Completing the Square How to Identify Lead Coefficients in Quadratic Equations How to Use the Difference of Two Squares Theorem to Solve Quadratic Equations What Is a Quadratic Equation? - Lesson Plan Create an account to s...
A. Solve each quadratic equation using the quadratic formula (14 points)1. x^2+6x+9=02. x^2+7x+10=03. x^2+4x-21=0 相关知识点: 试题来源: 解析 -3;-2;-5;-7;3 x^2+6x+9=0: 解:x=-3 x^2+7x+10=0: 解:x=-2, x=-5 x^2+4x-21=0: 解:x=-7, x=3...
The quadratic formula is used to determine the roots of a quadratic equation, written in the form ax2+bx+c=0. The determinant is calculated as D=b2−4ac. If D<0, the roots are imaginary; if D=0, the roots are real and equal; and if D>0, the roots are real and...
Answer to: Solve the equation for 'x' using the quadratic formula: 4x^2 + 11x - 20 = 0 By signing up, you'll get thousands of step-by-step...