百度试题 结果1 题目A. Multiple choice questionsBy completing the square, the equation x2+3 = 4x becomes ().(A) (x-2)^2=7(B) (x+2)^2=21(C) (x-2)^2=1(D) (x+2)^2=2 相关知识点: 试题来源: 解析 1C 反馈 收藏
(1)After completing thesquare, the original equation becomes(x-1)2=6, and the solutions are x=1+√6.(2) Aftercompleting the square, the original equationbecomes(x-2)2=10 000, so x_1=102 ,x2=98. (3) After completing the square, theogn qutonbecoes (x-3/(10))^2=1/4 othes...
我的 用completing the square解4x^2+2x-12=0 我来答 1个回答 #热议# 已婚女性就应该承担家里大部分家务吗?wdxf4444 2015-05-20 · 知道合伙人教育行家 wdxf4444 知道合伙人教育行家 采纳数:42621 获赞数:214088 南京工程学院自动化专业毕业,爱好并擅长中小学数学 向TA提问 私信TA 关注 展开全...
Question: f(x)=−2x2+6x+1 Completing the Square Completing the square is a method where we divide the entire expression by the coefficient ofx2. Then we move the number term to the right-hand side and then the complete the square on the left side of the equation by ...
题目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...
8 Completing the square of the left side of the quation3x^2+√2x-6=0 the resultingequation is 答案 83[(x+(√2)/6)^2-(37)/(18)]=0 结果二 题目 8) Completing the square of the left side of the equation3x^2+√2x-6=0 the resultingequation is 答案 833[(x+(√2)/6)^2-(37...
completing的读音是:[kəmˈpliːtɪŋ]。相关短语:completing the square.配方。completing cycle.全工序循环。method of completing square.配方法。well completing test.完井测试。call completing rate.【通信】接通率;呼叫接通率。Completing the Accounting Cycle.结帐流程...
C.Questions that require solutions ⑩ Solve the equations(by completing the square) (1)x2-2x-5=0; (2)x2-4x=9996; (3)x2-0.6x-0.16=0; (4)2x2+4x-7=0; x^2+ 1/6x- 1/3=0 ω 2/3y^2+ 1/3y-2=0 1/4x^2- 1/2x-1=0 (8)3x2-2=4x; (9) x^2- √3x-6=0 (10 )...
百度试题 结果1 题目8 Completing the square of the left side of the equation3x^2+√2x-6=0 he resulting equation is 3[ (x+y2) 2-]=o 相关知识点: 试题来源: 解析 答案见上 反馈 收藏
Rewrite the function by completing the square.h(x)=4x^2-36x+81h(x)=+ 相关知识点: 试题来源: 解析 h(x)=4x^2-36x+81 =4(x^2-9x)+81 =4(x^2-9x+(8-1)/4)+8|-8| h(x)=4(x-9/2)^2+0 h(x)=4(x+-4.5)^2+0 反馈 收藏 ...