Mathway | Problèmes fréquents

Problèmes fréquents

Rang	Matière	Problème	Problème de formatage
191901	Simplifier	(-64/27)^(-2/3)	${(- \frac{64}{27})}^{- \frac{2}{3}}$
191902	Resolva para x	14x+13x-10x-6=28	$14 x + 13 x - 10 x - 6 = 28$
191903	Resolva para x	28-7x<=-4(-7x-7)	$28 - 7 x \leq - 4 (- 7 x - 7)$
191904	Trouver les valeurs exclues	(x^2+5x+4)/(x^2-13x+40)*(x-8)/(x^2-1)	$\frac{x^{2} + 5 x + 4}{x^{2} - 13 x + 40} \cdot \frac{x - 8}{x^{2} - 1}$
191905	Multiplier	(a+b+c)^2	${(a + b + c)}^{2}$
191906	Tracer	[0,pi]	$[0, π]$
191907	Factoriser	y=3x(3x+2)+4(3x+2)	$y = 3 x (3 x + 2) + 4 (3 x + 2)$
191908	Simplifier	64^(1/3)+81^(1/2)	$64^{\frac{1}{3}} + 81^{\frac{1}{2}}$
191909	Évaluer	racine carrée de (1+1/2)/2	$\sqrt{\frac{1 + \frac{1}{2}}{2}}$
191910	Resolva para x	8(x-10)-4(x+3)=9x-7-7x+1	$8 (x - 10) - 4 (x + 3) = 9 x - 7 - 7 x + 1$
191911	Resolva para k	4(80+n)=(3k)n	$4 (80 + n) = (3 k) n$
191912	Resolva a Inequação para x	-5(x-6)<=-3(x+7)+x	$- 5 (x - 6) \leq - 3 (x + 7) + x$
191913	Évaluer	(2x+y)^3	${(2 x + y)}^{3}$
191914	Resolva a Inequação de Valor Absoluto para x	\|2x-5\|>9	$\| 2 x - 5 \| > 9$
191915	Évaluer	(a-2b)^2	${(a - 2 b)}^{2}$
191916	Simplifier	((y^-2)^-6)/(-x^4y^-4*(-x)y^4)	$\frac{{(y^{- 2})}^{- 6}}{- x^{4} y^{- 4} \cdot (- x) y^{4}}$
191917	Simplifier	((x+5)(x^2-25))/((x+5)^2(x-5)^2)	$\frac{(x + 5) (x^{2} - 25)}{{(x + 5)}^{2} {(x - 5)}^{2}}$
191918	Resolva a Inequação para x	-2x+6<x-6	$- 2 x + 6 < x - 6$
191919	Simplifier	-5(n^3-n^2-1)+n(n^2-n)	$- 5 (n^{3} - n^{2} - 1) + n (n^{2} - n)$
191920	Simplifier	(m/(5a))^3	${(\frac{m}{5 a})}^{3}$
191921	Tracer	g(x)<0	$g (x) < 0$
191922	Resolva o Sistema de Equations	1/5x+1/2y=3 1/3x-2y=-2/3	$\frac{1}{5} x + \frac{1}{2} y = 3$ $\frac{1}{3} x - 2 y = - \frac{2}{3}$
191923	Factoriser	3rs-5cr-15(cs)+25c^2	$3 r s - 5 c r - 15 c s + 25 c^{2}$
191924	Diviser	3/42/3	$\frac{3}{4} \cdot \frac{2}{3}$
191925	Simplifier	(2x+3)/(x+4)+8/x	$\frac{2 x + 3}{x + 4} + \frac{8}{x}$
191926	Trouver le domaine de définition et l''ensemble d''arrivée	f(x) = log base 1/3 of x-4	$f (x) = \log_{\frac{1}{3}} (x - 4)$
191927	Resolva para k	10k^2-10k+2=-k	$10 k^{2} - 10 k + 2 = - k$
191928	Simplifier	( racine carrée de 12x^2y)/( racine carrée de 18x^3y^2)	$\frac{\sqrt{12 x^{2} y}}{\sqrt{18 x^{3} y^{2}}}$
191929	Resolva para Y	W=2Zx+2ZY+2xY	$W = 2 Z x + 2 Z Y + 2 x Y$
191930	Évaluer	-(1/8)^(1/3)	$- {(\frac{1}{8})}^{\frac{1}{3}}$
191931	Soustraire	5/2-3/4	$\frac{5}{2} - \frac{3}{4}$
191932	Transformer en un intervalle	5(x+8)-7<=23	$5 (x + 8) - 7 \leq 23$
191933	Combiner les termes similaires	(-10x^2-10x+3)-(-4x^2-x)	$(- 10 x^{2} - 10 x + 3) - (- 4 x^{2} - x)$
191934	Resolva para w	w/-5+17=-3	$\frac{w}{- 5} + 17 = - 3$
191935	Resolva para x	1/x=1/5+3/(2x)	$\frac{1}{x} = \frac{1}{5} + \frac{3}{2 x}$
191936	Simplifier	(2+ racine carrée de 3)( racine carrée de 3-7)	$(2 + \sqrt{3}) (\sqrt{3} - 7)$
191937	Évaluer	base logarithmique x de 5+ base logarithmique x de 12=7	$\log_{x} (5) + \log_{x} (12) = 7$
191938	Simplifier	(7i)(2i)^3	$(7 i) {(2 i)}^{3}$
191939	Trouver la fonction réciproque	f(x)=((x-7)^7)/2	$f (x) = \frac{{(x - 7)}^{7}}{2}$
191940	Resolva o Sistema de Equations	x+2y-z=9 -2x+y+z=-1 2x-y+2z=-5	$x + 2 y - z = 9$ $- 2 x + y + z = - 1$ $2 x - y + 2 z = - 5$
191941	Tracer	f(x)=4 if x<3; 2x if x>=3	$f (x) = {\begin{cases} 4 & x < 3 \\ 2 x & x \geq 3 \end{cases}$
191942	Trouver les valeurs exclues	(48x^5y^3)/(y^4)*(x^2y)/(6x^3y^2)	$\frac{48 x^{5} y^{3}}{y^{4}} \cdot \frac{x^{2} y}{6 x^{3} y^{2}}$
191943	Écrire sous forme exponentielle	racine quatrième de x^4	$\sqrt[4]{x^{4}}$
191944	Resolva para b	A=1/2h(b+c) ; solve for b	$A = \frac{1}{2} h (b + c)$ ; solve for $b$
191945	Resolva para y	2(4-y)-3(y+3)=-11	$2 (4 - y) - 3 (y + 3) = - 11$
191946	Trouver le PPCM des dénominateurs	7/(4y^2-30y+14) , (7y)/(4y^2-22y+10)	$\frac{7}{4 y^{2} - 30 y + 14}$ , $\frac{7 y}{4 y^{2} - 22 y + 10}$
191947	Simplifier	2 racine carrée de 5(3 racine carrée de 3+6 racine carrée de 2)	$2 \sqrt{5} (3 \sqrt{3} + 6 \sqrt{2})$
191948	Resolva a Inequação para x	4-3(1-x)<=2	$4 - 3 (1 - x) \leq 2$
191949	Resolva para x	(2x-4)/3-(x+1)/8=-2	$\frac{2 x - 4}{3} - \frac{x + 1}{8} = - 2$
191950	Trouver la valeur exacte	1/2*4	$\frac{1}{2} \cdot 4$
191951	Resolva para x	5+(3x+5)/3=(2x-4)/15	$5 + \frac{3 x + 5}{3} = \frac{2 x - 4}{15}$
191952	Simplifier	(3a+7)+(a-1)	$(3 a + 7) + (a - 1)$
191953	Trouver la distance entre deux points	(0,-1) and (8,7)	$(0, - 1)$ and $(8, 7)$
191954	Évaluer	A=1/2bh	$A = \frac{1}{2} b h$
191955	Convertir en coordonnées polaires.	y^2=16x	$y^{2} = 16 x$
191956	Resolva para x	7/(x+3)+(x+2)/(x-3)=5/(x-3)	$\frac{7}{x + 3} + \frac{x + 2}{x - 3} = \frac{5}{x - 3}$
191957	Multiplier	8/187/176/16	$\frac{8}{18} \cdot \frac{7}{17} \cdot \frac{6}{16}$
191958	Tracer	f(x)=2 if x>=2; -1 if x<=1	$f (x) = {\begin{cases} 2 & x \geq 2 \\ - 1 & x \leq 1 \end{cases}$
191959	Resolva o Sistema de Equations	y=x^2+x-30 y=-x+5	$y = x^{2} + x - 30$ $y = - x + 5$
191960	Resolva para z	5z-2-2z<13	$5 z - 2 - 2 z < 13$
191961	Resolva para x	-x+1/5+5x=41/5	$- x + \frac{1}{5} + 5 x = \frac{41}{5}$
191962	Simplifier	1/( racine carrée de 6)-1/( racine carrée de 3)	$\frac{1}{\sqrt{6}} - \frac{1}{\sqrt{3}}$
191963	Resolva para t	20t-9t+5=49	$20 t - 9 t + 5 = 49$
191964	Resolva para k	-3(8k+5)=3(9-k)	$- 3 (8 k + 5) = 3 (9 - k)$
191965	Multiplier	2*(-1/6)	$2 \cdot (- \frac{1}{6})$
191966	Tracer	4>\|x+1\|+2	$4 > \| x + 1 \| + 2$
191967	Trouver la valeur exacte	7+(-7)	$7 + (- 7)$
191968	Résoudre en utilisant la formule quadratique	6x^2+x+1=6x	$6 x^{2} + x + 1 = 6 x$
191969	Resolva para x	5/2(-x+2/5)+5x=-(1/2x+4)+3	$\frac{5}{2} (- x + \frac{2}{5}) + 5 x = - (\frac{1}{2} x + 4) + 3$
191970	Resolva para b	b^2-6b+5=-4	$b^{2} - 6 b + 5 = - 4$
191971	Simplifier	8(4x^2y^-3)^-2	$8 {(4 x^{2} y^{- 3})}^{- 2}$
191972	Resolva a Inequação para x	3(1/4)^(x+1)<192	$3 {(\frac{1}{4})}^{x + 1} < 192$
191973	Trouver les asymptotes dans le graphique	(2x-8)/(-3x-4)	$\frac{2 x - 8}{- 3 x - 4}$
191974	Tracer	(x-3)^2(x^2-1)	${(x - 3)}^{2} (x^{2} - 1)$
191975	Identifier les zéros et leurs multiplicités	P(x)=x^5-9x^3	$P (x) = x^{5} - 9 x^{3}$
191976	Simplifier	-x^2+7x-10+4x^2-6x+8	$- x^{2} + 7 x - 10 + 4 x^{2} - 6 x + 8$
191977	Trouver le quotient	(x^5+32)/(x+2)	$\frac{x^{5} + 32}{x + 2}$
191978	Resolva a Inequação para f	7f-9>3f-1	$7 f - 9 > 3 f - 1$
191979	Évaluer	(3x-4y)-(x+2y)	$(3 x - 4 y) - (x + 2 y)$
191980	Resolva para x	9x+10-7x=5(x+2)	$9 x + 10 - 7 x = 5 (x + 2)$
191981	Tracer	p(x)=-1/2x^3+3/2x-1	$p (x) = - \frac{1}{2} x^{3} + \frac{3}{2} x - 1$
191982	Multiplier	(x^3+x^2+1)(x^2-x-5)	$(x^{3} + x^{2} + 1) (x^{2} - x - 5)$
191983	Encontre f(f(x))	f(x)=x^2-2x+3 , f(x)=-5x+1	$f (x) = x^{2} - 2 x + 3$ , $f (x) = - 5 x + 1$
191984	Trouver la valeur exacte	10^3-5 racine carrée de 3^2+4^2-(9-12)(7-12)	$10^{3} - 5 \sqrt{3^{2} + 4^{2}} - (9 - 12) (7 - 12)$
191985	Resolva para p	3/2p-5+9/4p=7-5/4p	$\frac{3}{2} p - 5 + \frac{9}{4} p = 7 - \frac{5}{4} p$
191986	Soustraire	9/(x^2-8x-9)-2/(x^2-81)	$\frac{9}{x^{2} - 8 x - 9} - \frac{2}{x^{2} - 81}$
191987	Simplifier	x^2+9-x-9	$x^{2} + 9 - x - 9$
191988	Résoudre en utilisant la formule quadratique	x^3-3x^2-4x+12=0	$x^{3} - 3 x^{2} - 4 x + 12 = 0$
191989	Resolva para x	logarithme de 28 = logarithme de 4+ logarithme de x	$\log (28) = \log (4) + \log (x)$
191990	Simplifier	(x+y)*(x-y)	$(x + y) \cdot (x - y)$
191991	Trouver la valeur exacte	sin(660 degrés )	$\sin (660 °)$
191992	Resolva para x	2(x-5)+7=x+8	$2 (x - 5) + 7 = x + 8$
191993	Combiner les termes similaires	2/5y-4+7-9/10y	$\frac{2}{5} y - 4 + 7 - \frac{9}{10} y$
191994	Resolva para r	(3,5) , (-3,r) , m=3/4	$(3, 5)$ , $(- 3, r)$ , $m = \frac{3}{4}$
191995	Évaluer	racine carrée de (1+(-5/13))/2	$\sqrt{\frac{1 + (- \frac{5}{13})}{2}}$
191996	Évaluer	(dy)/(dx)	$\frac{d y}{d x}$
191997	Déterminer si c''est perpendiculaire	y=5/4x+1 and y=5/4x-7	$y = \frac{5}{4} x + 1$ and $y = \frac{5}{4} x - 7$
191998	Simplifier	(2b^-3d^6)^4*3b^7d	${(2 b^{- 3} d^{6})}^{4} \cdot 3 b^{7} d$
191999	Resolva a Inequação para x	x/4<=9/x	$\frac{x}{4} \leq \frac{9}{x}$
192000	Trouver la fonction	f(x) = square root of x-6	$f (x) = \sqrt{x - 6}$