O A. x=-6 and x= 4O B. x=-2 and x = 6O C. x=-3 and x=8O D. x=-4 and x = 6 相关知识点: 试题来源: 解析 x^2-8x-24=0 x^2-4x-12=0 x^2-6x+2x-12=0 x(x-6)+2(x-6)=0 (x-6)(x+2)=0 x=6cndx=—2 optin B A 反馈 收藏
相关知识点: 试题来源: 解析 $$ 4x^{2}=64 $$ $$ x^{2}=16 $$ $$ x^{2}-16=0 $$ $$ (x+4)(x-4)=0 \\ x=-4 \\ x=4 $$ 反馈 收藏
Answer to: What is the quadratic equation? By signing up, you'll get thousands of step-by-step solutions to your homework questions. You can also...
What is the quadratic equation having the rootα=2andβ=5. x2−2+5+2×5=0 i.e.x2−7x+10=0. View Solution Free Ncert Solutions English Medium NCERT Solutions NCERT Solutions for Class 12 English Medium NCERT Solutions for Class 11 English Medium ...
General Form of the Quadratic Equation and Roots of the Quadratic Equation. 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, ...
解析 【解析】 $$ 4x^{2}=64 $$ $$ x^{2}=16 $$ $$ x^{2}-16=0 $$ $$ (x+4)(x-4)=0 \\ x=-4 \\ x=4 $$ 结果一 题目 What arethe solutons to the quadratic equation 4x2= 64?x=-16 and x= 16x=-8 andx=8x=-4 and x =4x=-2 and x =2 答案 4x^2=64 x^2=...
B 二次方程的一般形式为ax² + bx + c = 0(a≠0)。方程的“次数”由其未知数的最高次数决定,此处最高次数为x²的二次项,因此次数为2。选项分析如下:A)1对应一次方程,错误;B)2正确;C)3对应三次方程,错误;D)0不符合任何多项式方程,错误。故选B。反馈...
The solutions of a quadratic equation can be real or complex. The values of the x-intercepts of a quadratic equation must satisfy the quadratic equation as these two points are on the graph of the quadratic equation.Answer and Explanation: A quadratic equation takes the f...
Quadratic EquationThe general form of a quadratic equation is: Whenthefunctionisgraphedaparabolaisgenerated.ax2+bx+c=0Answer and Explanation: To solve for a quadratic equation is to find the roots of the equation, which are the possible values of x. The are two methods to determine x. One ...
1 Expert Answer Best Newest Oldest Thomas E. answered • 04/12/18 Tutor 4.9 (420) Tom E., a Patient and Knowledgeable Mathematics Tutor for You See tutors like this If the solutions (or roots, or zeros) are -4 and 3/2 then the factors are (x+4) And (x-3/2...