Mathway | 热门问题

热门问题

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等级	主题	问题	格式化的问题
41601	确定对称轴	f(x)=5x^2+80x-1	$f (x) = 5 x^{2} + 80 x - 1$
41602	绘制图像	f(x)=x^2+4x-12	$f (x) = x^{2} + 4 x - 12$
41603	绘制图像	f(x)=x^2+14x+7	$f (x) = x^{2} + 14 x + 7$
41604	确定对称轴	f(x)=(x+9)(x-21)	$f (x) = (x + 9) (x - 21)$
41605	绘制图像	F(x) = square root of x+5	$F (x) = \sqrt{x + 5}$
41606	确定对称轴	f(x)=-x^2-6x-13	$f (x) = - x^{2} - 6 x - 13$
41607	绘制图像	f(x) = square root of x+7	$f (x) = \sqrt{x + 7}$
41608	化简	-v+12v	$- v + 12 v$
41609	找出函数规则	table[[x,y],[1,5],[2,10],[3,15]]	$\begin{array}{c} x & y \\ 1 & 5 \\ 2 & 10 \\ 3 & 15 \end{array}$
41610	绘制图像	f(x)=3/2x-1	$f (x) = \frac{3}{2} x - 1$
41611	化简	(8x^2+17x)+6x^2	$(8 x^{2} + 17 x) + 6 x^{2}$
41612	找出函数规则	table[[x,y],[3,10],[4,16],[5,28]]	$\begin{array}{c} x & y \\ 3 & 10 \\ 4 & 16 \\ 5 & 28 \end{array}$
41613	因子	9a^4-b^2	$9 a^{4} - b^{2}$
41614	找出函数规则	table[[x,y],[0,1],[1,3],[2,5]]	$\begin{array}{c} x & y \\ 0 & 1 \\ 1 & 3 \\ 2 & 5 \end{array}$
41615	绘制图像	f(x) = log base 4 of x+2	$f (x) = \log_{4} (x + 2)$
41616	找出函数规则	table[[x,y],[0,3],[1,6],[2,12]]	$\begin{array}{c} x & y \\ 0 & 3 \\ 1 & 6 \\ 2 & 12 \end{array}$
41617	通过因式分解求解	x+14=x-6 的平方根	$\sqrt{x + 14} = x - 6$
41618	找出函数规则	table[[x,y],[2,9],[4,81],[6,729]]	$\begin{array}{c} x & y \\ 2 & 9 \\ 4 & 81 \\ 6 & 729 \end{array}$
41619	找出函数规则	table[[x,y],[0,-1],[1,-2],[2,-3]]	$\begin{array}{c} x & y \\ 0 & - 1 \\ 1 & - 2 \\ 2 & - 3 \end{array}$
41620	绘制图像	f(x)=5x+1	$f (x) = 5 x + 1$
41621	找出函数规则	table[[x,y],[1,55],[2,60],[3,67]]	$\begin{array}{c} x & y \\ 1 & 55 \\ 2 & 60 \\ 3 & 67 \end{array}$
41622	绘制图像	f(x)=9-(x-1)^2	$f (x) = 9 - {(x - 1)}^{2}$
41623	找出函数规则	table[[x,y],[0,10],[1,12],[2,14]]	$\begin{array}{c} x & y \\ 0 & 10 \\ 1 & 12 \\ 2 & 14 \end{array}$
41624	绘制图像	f(x) = x-1 的对数	$f (x) = \log (x - 1)$
41625	绘制图像	y=1/3*(3)^x	$y = \frac{1}{3} \cdot {(3)}^{x}$
41626	绘制图像	f(x)=4 x 的对数底数 2	$f (x) = 4 \log_{2} (x)$
41627	绘制图像	f(x)=2(x-3)^2-4	$f (x) = 2 {(x - 3)}^{2} - 4$
41628	绘制图像	f(x)=-2x^2+4	$f (x) = - 2 x^{2} + 4$
41629	找出函数规则	table[[x,y],[3,8],[4,16],[5,32]]	$\begin{array}{c} x & y \\ 3 & 8 \\ 4 & 16 \\ 5 & 32 \end{array}$
41630	绘制图像	f(x)=-2x^2+3	$f (x) = - 2 x^{2} + 3$
41631	找出函数规则	table[[x,y],[2,6.50],[8,5.00],[14,3.50]]	$\begin{array}{c} x & y \\ 2 & 6.5 \\ 8 & 5 \\ 14 & 3.5 \end{array}$
41632	绘制图像	y=2x^2+4	$y = 2 x^{2} + 4$
41633	找出函数规则	table[[x,y],[0.5,80.6],[2,88.4],[3.5,96.2]]	$\begin{array}{c} x & y \\ 0.5 & 80.6 \\ 2 & 88.4 \\ 3.5 & 96.2 \end{array}$
41634	绘制图像	f(x)=3 x 的对数底数 2	$f (x) = 3 \log_{2} (x)$
41635	找出函数规则	table[[x,y],[2,1],[4,6],[6,11]]	$\begin{array}{c} x & y \\ 2 & 1 \\ 4 & 6 \\ 6 & 11 \end{array}$
41636	绘制图像	y^2=x^2	$y^{2} = x^{2}$
41637	找出函数规则	table[[x,y],[1,40],[2,800],[3,16000]]	$\begin{array}{c} x & y \\ 1 & 40 \\ 2 & 800 \\ 3 & 16000 \end{array}$
41638	找出函数规则	table[[x,y],[0,14],[2,6],[4,-2]]	$\begin{array}{c} x & y \\ 0 & 14 \\ 2 & 6 \\ 4 & - 2 \end{array}$
41639	求出圆心	25x^2+9y^2-150x+72y+144=0	$25 x^{2} + 9 y^{2} - 150 x + 72 y + 144 = 0$
41640	绘制图像	y=2(x-3)^2+2	$y = 2 {(x - 3)}^{2} + 2$
41641	求出圆心	((x-4)^2)/36-((y-2)^2)/9=1	$\frac{{(x - 4)}^{2}}{36} - \frac{{(y - 2)}^{2}}{9} = 1$
41642	绘制图像	y=2(x+1)^2-3	$y = 2 {(x + 1)}^{2} - 3$
41643	求出圆心	x^2+36y^2-16x-72y+64=0	$x^{2} + 36 y^{2} - 16 x - 72 y + 64 = 0$
41644	绘制图像	y=2(x+1)^2-4	$y = 2 {(x + 1)}^{2} - 4$
41645	绘制图像	y=2x^2+4x-6	$y = 2 x^{2} + 4 x - 6$
41646	绘制图像	y=2 x 的立方根	$y = 2 \sqrt[3]{x}$
41647	绘制图像	y=3(2^x)	$y = 3 (2^{x})$
41648	化简	1 的 4 次方根	$\sqrt[4]{1}$
41649	求出该区间上的解	7x(x^2-1)=100 , (-3,30)	$7 x (x^{2} - 1) = 100$ , $(- 3, 30)$
41650	化简	4 5 的平方根	$4 \sqrt{5}$
41651	确定终端性态	f(x)=3x^4-x^2+4x-2	$f (x) = 3 x^{4} - x^{2} + 4 x - 2$
41652	x के लिये हल कीजिये	343^x=49^(4-x)	$343^{x} = 49^{4 - x}$
41653	确定终端性态	-2(x-2)^5	$- 2 {(x - 2)}^{5}$
41654	确定终端性态	f(x)=x^3+2x^2-8x	$f (x) = x^{3} + 2 x^{2} - 8 x$
41655	绘制图像	y=2sin(x)	$y = 2 \sin (x)$
41656	确定终端性态	p(x)=-5x^6-3x^5+4x^2+6x	$p (x) = - 5 x^{6} - 3 x^{5} + 4 x^{2} + 6 x$
41657	绘制图像	y=2x^2-4x-2	$y = 2 x^{2} - 4 x - 2$
41658	确定终端性态	p(x)=pix^7-x^5-5x+6	$p (x) = π x^{7} - x^{5} - 5 x + 6$
41659	绘制图像	y=3(1/2)^x	$y = 3 {(\frac{1}{2})}^{x}$
41660	确定终端性态	-x^3(x-9)^3(x+5)	$- x^{3} {(x - 9)}^{3} (x + 5)$
41661	绘制图像	y=4x^2-12x+9	$y = 4 x^{2} - 12 x + 9$
41662	绘制图像	y=3x-12	$y = 3 x - 12$
41663	确定终端性态	f(x)=-x^2(x-2)(x+4)	$f (x) = - x^{2} (x - 2) (x + 4)$
41664	绘制图像	y=4(1/2)^x	$y = 4 {(\frac{1}{2})}^{x}$
41665	确定终端性态	P(x)=pix^6+x^5-x^4-x+2	$P (x) = π x^{6} + x^{5} - x^{4} - x + 2$
41666	绘制图像	y=-x(1-x)(x-2)	$y = - x (1 - x) (x - 2)$
41667	绘制图像	y=cos(2x)	$y = \cos (2 x)$
41668	确定终端性态	(2x)/(3x^2-3)	$\frac{2 x}{3 x^{2} - 3}$
41669	绘制图像	y=7x-2	$y = 7 x - 2$
41670	确定终端性态	-x^3+2x^2+4x+5	$- x^{3} + 2 x^{2} + 4 x + 5$
41671	绘制图像	y=-5x+7	$y = - 5 x + 7$
41672	计算平方根	0.5 的平方根	$\sqrt{0.5}$
41673	确定终端性态	f(x)=-5x^3+2x^2-1	$f (x) = - 5 x^{3} + 2 x^{2} - 1$
41674	绘制图像	y>3x-3	$y > 3 x - 3$
41675	确定终端性态	p(x)=4x^8-6x^7+3x^3-10	$p (x) = 4 x^{8} - 6 x^{7} + 3 x^{3} - 10$
41676	绘制图像	y>5x	$y > 5 x$
41677	绘制图像	y>1/2x	$y > \frac{1}{2} x$
41678	确定终端性态	f(x)=2(x-4)^4	$f (x) = 2 {(x - 4)}^{4}$
41679	x के लिये हल कीजिये	6x>=3+4(2x-1)	$6 x \geq 3 + 4 (2 x - 1)$
41680	确定终端性态	f(x)=-x^4+5x^2-4	$f (x) = - x^{4} + 5 x^{2} - 4$
41681	绘制图像	y-9=0	$y - 9 = 0$
41682	绘制图像	y=-5/x	$y = - \frac{5}{x}$
41683	绘制图像	y=5/2x-3	$y = \frac{5}{2} x - 3$
41684	确定终端性态	h(x)=x^6-3x^5-17x^3	$h (x) = x^{6} - 3 x^{5} - 17 x^{3}$
41685	绘制图像	y=-4/3x+4	$y = - \frac{4}{3} x + 4$
41686	确定终端性态	-x(x-8)(2-x)	$- x (x - 8) (2 - x)$
41687	确定终端性态	f(x)=2(x-4)^5	$f (x) = 2 {(x - 4)}^{5}$
41688	绘制图像	y=4/5x	$y = \frac{4}{5} x$
41689	确定终端性态	y=-x^3-5x^2-3x+9	$y = - x^{3} - 5 x^{2} - 3 x + 9$
41690	绘制图像	y=-4/5x+2	$y = - \frac{4}{5} x + 2$
41691	绘制图像	y=-1/3*\|x\|	$y = - \frac{1}{3} \cdot \| x \|$
41692	确定终端性态	f(x)=1/2x^3+2	$f (x) = \frac{1}{2} x^{3} + 2$
41693	绘制图像	y=-1/7x	$y = - \frac{1}{7} x$
41694	绘制图像	y=1/5x+3	$y = \frac{1}{5} x + 3$
41695	求解矩阵方程	[[4,-3,2],[0,5,-8]]-2x=[[2,5,4],[4,5,2]]	$[\begin{array}{c} 4 & - 3 & 2 \\ 0 & 5 & - 8 \end{array}] - 2 x = [\begin{array}{c} 2 & 5 & 4 \\ 4 & 5 & 2 \end{array}]$
41696	求解矩阵方程	x-[[1,3],[-1,5]]=[[4,-1],[2,3]]	$x - [\begin{array}{c} 1 & 3 \\ - 1 & 5 \end{array}] = [\begin{array}{c} 4 & - 1 \\ 2 & 3 \end{array}]$
41697	绘制图像	y=1/8x	$y = \frac{1}{8} x$
41698	求解矩阵方程	[[6,y],[18,z]]-3[[x+1,2],[0,1]]=[[18,17],[9w,4z]]	$[\begin{array}{c} 6 & y \\ 18 & z \end{array}] - 3 [\begin{array}{c} x + 1 & 2 \\ 0 & 1 \end{array}] = [\begin{array}{c} 18 & 17 \\ 9 w & 4 z \end{array}]$
41699	绘制图像	y=15/x	$y = \frac{15}{x}$
41700	绘制图像	y = square root of 5x	$y = \sqrt{5 x}$