Mathway | Problèmes fréquents

Problèmes fréquents

Rang	Matière	Problème	Problème de formatage
187001	Évaluer	-17/(4+1)	$- \frac{17}{4 + 1}$
187002	Simplifier	-20-4h+4h	$- 20 - 4 h + 4 h$
187003	Resolva a Inequação para x	x^3+x^2+4x+4>0	$x^{3} + x^{2} + 4 x + 4 > 0$
187004	Resolva a Inequação para t	6t+4<=-2	$6 t + 4 \leq - 2$
187005	Évaluer	1/4(0)^2	$\frac{1}{4} {(0)}^{2}$
187006	Resolva a Inequação para x	-10<=5+x<-5	$- 10 \leq 5 + x < - 5$
187007	Resolva o Sistema de Equations	y=-1/2x-1 y=3x-8	$y = - \frac{1}{2} x - 1$ $y = 3 x - 8$
187008	Resolva a Inequação para x	(x+4)(x-2)<=0	$(x + 4) (x - 2) \leq 0$
187009	Resolva para g	g^(x-1)-2=25	$g^{x - 1} - 2 = 25$
187010	Resolva a Inequação para x	base logarithmique 4 de 2x+5< = base logarithmique 4 de 4x-3	$\log_{4} (2 x + 5) \leq \log_{4} (4 x - 3)$
187011	Resolva para k	racine carrée de 2k+1=19	$\sqrt{2 k + 1} = 19$
187012	Resolva para r	17-5r+9r=-12+6r-1	$17 - 5 r + 9 r = - 12 + 6 r - 1$
187013	Resolva para r	7r+16r-4r=38	$7 r + 16 r - 4 r = 38$
187014	Resolva a Inequação para x	\|x\|<=1	$\| x \| \leq 1$
187015	Factoriser	x^2=2x+24	$x^{2} = 2 x + 24$
187016	Resolva para y	x/y=y-6	$\frac{x}{y} = y - 6$
187017	Trouver la valeur exacte	sin(pi/5)cos(pi/2)+sin(pi/2)cos(pi/5)	$\sin (\frac{π}{5}) \cos (\frac{π}{2}) + \sin (\frac{π}{2}) \cos (\frac{π}{5})$
187018	Simplifier	a/(a-b)-b/(a-b)	$\frac{a}{a - b} - \frac{b}{a - b}$
187019	Encontre f(g(x))	f(x)=x+4 and g(x)=x-4	$f (x) = x + 4$ and $g (x) = x - 4$
187020	Trouver la fonction réciproque	f(x)=2(x^7+2)	$f (x) = 2 (x^{7} + 2)$
187021	Tracer	f(x)=5,x<-2; 3,-2<=x<0; 0,0<=x<2; -3,x>=2	$f (x) = {\begin{cases} 5, x < - 2 \\ 3, - 2 \leq x < 0 \\ 0, 0 \leq x < 2 \\ - 3, x \geq 2 \end{cases}$
187022	Resolva para t	racine carrée de 2t-5-3=3	$\sqrt{2 t - 5} - 3 = 3$
187023	Resolva para m	7m-7m+m+2m-2m=38	$7 m - 7 m + m + 2 m - 2 m = 38$
187024	Simplifier	-4(4a+2b-1/2c)	$- 4 (4 a + 2 b - \frac{1}{2} c)$
187025	Trouver la fonction réciproque	f(x) = racine septième de 8x+5	$f (x) = \sqrt[7]{8 x} + 5$
187026	Resolva para b	1/2(4a+10b)=c	$\frac{1}{2} (4 a + 10 b) = c$
187027	Resolva para x	(x+5)/(x+8)+2/(x-8)=2/(x-8)	$\frac{x + 5}{x + 8} + \frac{2}{x - 8} = \frac{2}{x - 8}$
187028	Resolva para x	x/3+(x+1)/2=x	$\frac{x}{3} + \frac{x + 1}{2} = x$
187029	Évaluer	f(x)=4(-3)^2-(-3)-3	$f (x) = 4 {(- 3)}^{2} - (- 3) - 3$
187030	Resolva para x	(1/128)^(-5x+8)=32^(-x+3)	${(\frac{1}{128})}^{- 5 x + 8} = 32^{- x + 3}$
187031	Diviser	((x^2-y^2)/y)÷((x+y)/(6y^2))	$\frac{x^{2} - y^{2}}{y} \div \frac{x + y}{6 y^{2}}$
187032	Simplifier	((c^2-1)/(c^4-1))÷((c+1)/(c^2+1))	$\frac{c^{2} - 1}{c^{4} - 1} \div \frac{c + 1}{c^{2} + 1}$
187033	Multiplier	(6y^2+5y^4)^2	${(6 y^{2} + 5 y^{4})}^{2}$
187034	Trouver les asymptotes dans le graphique	y=(2x-1)/(x-7)	$y = \frac{2 x - 1}{x - 7}$
187035	Encontre g(f(x))	f(x)=2/x g(x)=2/x	$f (x) = \frac{2}{x}$ $g (x) = \frac{2}{x}$
187036	Simplifier	(((4x^2y^3)^3)/((2xy)^4))^2	${(\frac{{(4 x^{2} y^{3})}^{3}}{{(2 x y)}^{4}})}^{2}$
187037	Resolva para x	3x+x/5-5=1/5+5x	$3 x + \frac{x}{5} - 5 = \frac{1}{5} + 5 x$
187038	Resolva para x	-4x^5-12x^4-9x^3=0	$- 4 x^{5} - 12 x^{4} - 9 x^{3} = 0$
187039	Tracer	1-\|x\|	$1 - \| x \|$
187040	Simplifier	((x^2-11x+30)/(x^2-4))÷((x^2+3x-40)/(x-2))	$\frac{x^{2} - 11 x + 30}{x^{2} - 4} \div \frac{x^{2} + 3 x - 40}{x - 2}$
187041	Encontre f(g(x))	f(x)=(2-x)/(x+1) g(x)=18-3x	$f (x) = \frac{2 - x}{x + 1}$ $g (x) = 18 - 3 x$
187042	Tracer	y=cos(theta/2+(5pi)/3)-2	$y = \cos (\frac{θ}{2} + \frac{5 π}{3}) - 2$
187043	Simplifier	(4x^2y-3xy^2+4x-3xy)-(-4x^2y+2xy+3xy^2+x)	$(4 x^{2} y - 3 x y^{2} + 4 x - 3 x y) - (- 4 x^{2} y + 2 x y + 3 x y^{2} + x)$
187044	Trouver les racines (zéros)	8x^2+12=7x^2+7x	$8 x^{2} + 12 = 7 x^{2} + 7 x$
187045	Simplifier	9-3(2x+7)+4x-45	$9 - 3 (2 x + 7) + 4 x - 45$
187046	Resolva para x	(5(x-3))/8+2=7	$\frac{5 (x - 3)}{8} + 2 = 7$
187047	Simplifier	(7^2*5^6)^4	${(7^{2} \cdot 5^{6})}^{4}$
187048	Simplifier	(i)(2i)(-7i)	$(i) (2 i) (- 7 i)$
187049	Mettre sous forme de racine	1/((3x^2-5)^(-5/2))	$\frac{1}{{(3 x^{2} - 5)}^{- \frac{5}{2}}}$
187050	Tracer	f(x)=x-1 if x<-2; x-9 if x>4	$f (x) = {\begin{cases} x - 1 & x < - 2 \\ x - 9 & x > 4 \end{cases}$
187051	Simplifier	6/(k-4)+(k+6)/(k^2+2k-24)	$\frac{6}{k - 4} + \frac{k + 6}{k^{2} + 2 k - 24}$
187052	Tracer	f(x)=4+x if x<-2; x^2 if -2<=x<2; 6-x if x>=2	$f (x) = {\begin{cases} 4 + x & x < - 2 \\ x^{2} & - 2 \leq x < 2 \\ 6 - x & x \geq 2 \end{cases}$
187053	Resolva a Inequação para x	racine carrée de x-1<2	$\sqrt{x - 1} < 2$
187054	Resolva a Equação Racional para x	1/(6x^2)=1/(3x^2)-1/x	$\frac{1}{6 x^{2}} = \frac{1}{3 x^{2}} - \frac{1}{x}$
187055	Tracer	g(x)=3 racine cubique de x/2+4	$g (x) = 3 \sqrt[3]{\frac{x}{2}} + 4$
187056	Simplifier	(21c^10d^3+56c^6d^2-7c^2d)/(7c^2d)	$\frac{21 c^{10} d^{3} + 56 c^{6} d^{2} - 7 c^{2} d}{7 c^{2} d}$
187057	Écrire sous forme de l''équation d''une droite	y-4=0	$y - 4 = 0$
187058	Évaluer	logarithme népérien de x=8	$\ln (x) = 8$
187059	Trouver la fonction réciproque	f(x)=1-2/(x^3)	$f (x) = 1 - \frac{2}{x^{3}}$
187060	Trouver le produit	(4xy-3z)^2	${(4 x y - 3 z)}^{2}$
187061	Resolva a Inequação para x	x/3<5	$\frac{x}{3} < 5$
187062	Resolva para x	2(\|x+4\|+3)=6	$2 (\| x + 4 \| + 3) = 6$
187063	Trouver le domaine de définition et l''ensemble d''arrivée	g(x)=5- logarithme de x	$g (x) = 5 - \log (x)$
187064	Simplifier	((-8p^10)/(7r^3))^2	${(\frac{- 8 p^{10}}{7 r^{3}})}^{2}$
187065	Resolva para n	-8(n-4)=n-40	$- 8 (n - 4) = n - 40$
187066	Trouver les asymptotes dans le graphique	f(x)=(x^2-6x+5)/(x^2+4x-5)	$f (x) = \frac{x^{2} - 6 x + 5}{x^{2} + 4 x - 5}$
187067	Resolva a Inequação para z	-16>=5(2z-11)	$- 16 \geq 5 (2 z - 11)$
187068	Resolva a Inequação para x	(x^2+2x-3)/(3x^2-7x-6)>0	$\frac{x^{2} + 2 x - 3}{3 x^{2} - 7 x - 6} > 0$
187069	Tracer	y<\|x+2\|	$y < \| x + 2 \|$
187070	Multiplier	[[1,3,1],[-2,1,0]]*[[2,-2],[3,5],[4,1]]	$[\begin{array}{c} 1 & 3 & 1 \\ - 2 & 1 & 0 \end{array}] \times [\begin{array}{c} 2 & - 2 \\ 3 & 5 \\ 4 & 1 \end{array}]$
187071	Évaluer	4/3(3.14)(6)^3	$\frac{4}{3} (3.14) {(6)}^{3}$
187072	Résoudre en utilisant la formule quadratique	ax^2+c=0	$a x^{2} + c = 0$
187073	Trouver toutes les solutions complexes	(cot(theta)+1)(csc(theta)-1)=0	$(\cot (θ) + 1) (\csc (θ) - 1) = 0$
187074	Resolva para x	S=1/2(a+b)x	$S = \frac{1}{2} (a + b) x$
187075	Trouver les racines (zéros)	x(x-4)	$x (x - 4)$
187076	Resolva para x	x/y=z	$\frac{x}{y} = z$
187077	Factoriser	4a^2b^2-16ab^3+8ab^2c	$4 a^{2} b^{2} - 16 a b^{3} + 8 a b^{2} c$
187078	Tracer	sin(1x)^(-)	${\sin (1 x)}^{-}$
187079	Tracer	y<=2x-1 y>-2x+3	$y \leq 2 x - 1$ $y > - 2 x + 3$
187080	Tracer	g(x)=f(x)+k	$g (x) = f (x) + k$
187081	Simplifier	2+(4(1-(5-11)))	$2 + (4 (1 - (5 - 11)))$
187082	Resolva o Sistema de Equations	y=-2x+1 y=-2x^2+1	$y = - 2 x + 1$ $y = - 2 x^{2} + 1$
187083	Trouver la valeur exacte	sin((2pi)/3)^2	$\sin^{2} (\frac{2 π}{3})$
187084	Tracer	3x-2y=4 x+y=2	$3 x - 2 y = 4$ $x + y = 2$
187085	Encontre g(f(x))	f(x)=4x g(x)=x/4	$f (x) = 4 x$ $g (x) = \frac{x}{4}$
187086	Resolva para b	y=5/8b+10	$y = \frac{5}{8} b + 10$
187087	Simplifier	3^3*3^4	$3^{3} \times 3^{4}$
187088	Trouver le produit	(1+3x^2)^2	${(1 + 3 x^{2})}^{2}$
187089	Trouver le domaine de définition et l''ensemble d''arrivée	f(x)=x/5	$f (x) = \frac{x}{5}$
187090	Resolva para x	e^(x+3)=pi^x	$e^{x + 3} = π^{x}$
187091	Tracer à l''aide de la table des valeurs	y=3^(x-1)	$y = 3^{x - 1}$
187092	Évaluer	(7-x)^2	${(7 - x)}^{2}$
187093	Factoriser	4c^8-3c^9+c^6	$4 c^{8} - 3 c^{9} + c^{6}$
187094	Trouver toutes les solutions complexes	4x^5-100x^(13/3)=0	$4 x^{5} - 100 x^{\frac{13}{3}} = 0$
187095	Soustraire	-1/2-1/3	$- \frac{1}{2} - \frac{1}{3}$
187096	Diviser	(20x^2y^2-10x^2y^8)/(2x^2y^2)	$\frac{20 x^{2} y^{2} - 10 x^{2} y^{8}}{2 x^{2} y^{2}}$
187097	Resolva para c	1/c+1/(c+20)=1/24	$\frac{1}{c} + \frac{1}{c + 20} = \frac{1}{24}$
187098	Trouver le quotient	(x^3+2x^2-x+1)/(x+3)	$\frac{x^{3} + 2 x^{2} - x + 1}{x + 3}$
187099	Resolva a Inequação para x	(x+4)^2(x+2)(x-1)>0	${(x + 4)}^{2} (x + 2) (x - 1) > 0$
187100	Simplifier	(4a^2-36a)/(2a^4-24a^3+54a^2)	$\frac{4 a^{2} - 36 a}{2 a^{4} - 24 a^{3} + 54 a^{2}}$