Mathway | Problèmes fréquents

Problèmes fréquents

Rang	Matière	Problème	Problème de formatage
182701	Simplifier	1/3(9-6m)+1/4(12m-8)	$\frac{1}{3} (9 - 6 m) + \frac{1}{4} (12 m - 8)$
182702	Tracer	f(x)=7^x , f^-1(x) = log base 7 of x	$f (x) = 7^{x}$ , $f^{- 1} (x) = \log_{7} (x)$
182703	Resolva para l	(-7.4)+l=9.11	$(- 7.4) + l = 9.11$
182704	Resolva a Inequação para x	(x-1)/(x-3)<0	$\frac{x - 1}{x - 3} < 0$
182705	Simplifier	i/(2+i)	$\frac{i}{2 + i}$
182706	Convertir sous forme cartésienne	r=2/(1+sin(theta))	$r = \frac{2}{1 + \sin (θ)}$
182707	Multiplier	(5y^2)/3*(9x)/(10y)	$\frac{5 y^{2}}{3} \cdot \frac{9 x}{10 y}$
182708	Transformer en un intervalle	x<=-4 or x>=3	$x \leq - 4$ or $x \geq 3$
182709	Simplifier	base logarithmique 81 de 3	$\log_{81} (3)$
182710	Évaluer	10*(-9+(-6))	$10 \times (- 9 + (- 6))$
182711	Trouver les valeurs exclues	(60x^3)/(12x)	$\frac{60 x^{3}}{12 x}$
182712	Évaluer	2(1/3)^1	$2 {(\frac{1}{3})}^{1}$
182713	Resolva para v	9v-2=3v	$9 v - 2 = 3 v$
182714	Évaluer	5p+3p+(-9)	$5 p + 3 p + (- 9)$
182715	Décrire la transformation	y=-x	$y = - x$
182716	Resolva para g	bg+9f=27	$b g + 9 f = 27$
182717	Simplifier	( racine carrée de 4x)/( racine carrée de 6)	$\frac{\sqrt{4 x}}{\sqrt{6}}$
182718	Trouver la valeur exacte	2sin(75 degrés )cos(75 degrés )	$2 \sin (75 °) \cos (75 °)$
182719	Tracer	f(x)=3x if x<=3; 2x if x>3	$f (x) = {\begin{cases} 3 x & x \leq 3 \\ 2 x & x > 3 \end{cases}$
182720	Resolva para x	6x+1/(x+1)=-x/(x+1)	$6 x + \frac{1}{x + 1} = - \frac{x}{x + 1}$
182721	Trouver le milieu	(3,-1) and (8,-6)	$(3, - 1)$ and $(8, - 6)$
182722	Trouver les points d''intersection avec les axes des abscisses et des ordonnées	y=(x-1)/2	$y = \frac{x - 1}{2}$
182723	Déterminer si c''est parallèle	y=-3x+6 and y=1/3x-8	$y = - 3 x + 6$ and $y = \frac{1}{3} x - 8$
182724	Résoudre par substitution	2x-3y=-1	$2 x - 3 y = - 1$
182725	Resolva a Inequação para x	15>6x+1-4	$15 > 6 x + 1 - 4$
182726	Resolva para θ	racine carrée de 3sec(theta)-2=0	$\sqrt{3} \sec (θ) - 2 = 0$
182727	Resolva para x	(x+2)(x-7)=-3x-10	$(x + 2) (x - 7) = - 3 x - 10$
182728	Évaluer	\|-4+5x\|=16	$\| - 4 + 5 x \| = 16$
182729	Diviser	((2x+5)/4)÷((2x+5)/6)	$\frac{2 x + 5}{4} \div \frac{2 x + 5}{6}$
182730	Tracer	H(x)=1- base logarithmique 4 de x	$H (x) = 1 - \log_{4} (x)$
182731	Simplifier	7x racine carrée de 125x^2-7x^2 racine carrée de 5	$7 x \sqrt{125 x^{2}} - 7 x^{2} \sqrt{5}$
182732	Resolva para x	0+x=x-0	$0 + x = x - 0$
182733	Resolva para x	racine carrée de 3^(2x+1)=9^(x-2)	$\sqrt{3^{2 x + 1}} = 9^{x - 2}$
182734	Resolva para x	3/(4x-5)=x	$\frac{3}{4 x - 5} = x$
182735	Resolva para x	1/4(40-8x)=19x+2-5x	$\frac{1}{4} (40 - 8 x) = 19 x + 2 - 5 x$
182736	Simplifier	(x^2-64)/(5(x+7)^2)*(x^2-49)/(x^4-15x^3+56x^2)	$\frac{x^{2} - 64}{5 {(x + 7)}^{2}} \cdot \frac{x^{2} - 49}{x^{4} - 15 x^{3} + 56 x^{2}}$
182737	Tracer	g(x)=-1/2f(x-1)+3	$g (x) = - \frac{1}{2} f (x - 1) + 3$
182738	Simplifier	racine quatrième de 8a^3b* racine quatrième de 10a^2b^7	$\sqrt[4]{8 a^{3} b} \cdot \sqrt[4]{10 a^{2} b^{7}}$
182739	Soustraire	1/(x-1)-x/(x-1)	$\frac{1}{x - 1} - \frac{x}{x - 1}$
182740	Convertir en un nombre décimal	sin(195)deg	$\sin (195)$ degrees
182741	Resolva para x	racine carrée de x^2+16=x	$\sqrt{x^{2} + 16} = x$
182742	Resolva para x	10\|7x+3\|=0	$10 \| 7 x + 3 \| = 0$
182743	Simplifier	a(6-1)+3b-b(2-1)+10	$a (6 - 1) + 3 b - b (2 - 1) + 10$
182744	Resolva a Inequação para x	2x+8x>=15+14x+9	$2 x + 8 x \geq 15 + 14 x + 9$
182745	Resolva para x	racine cubique de 8x^3-1=2x-1	$\sqrt[3]{8 x^{3} - 1} = 2 x - 1$
182746	Développer les expressions logarithmiques	logarithme de ( racine cubique de x^4z^2)/(y^4)	$\log (\frac{\sqrt[3]{x^{4}} z^{2}}{y^{4}})$
182747	Resolva para x	K=1/2kx^2	$K = \frac{1}{2} k x^{2}$
182748	Trouver le PPCM des dénominateurs	(6a)/(a^2-5a-6) and (8a)/(a^2-36) ?	$\frac{6 a}{a^{2} - 5 a - 6}$ and $\frac{8 a}{a^{2} - 36}$ ?
182749	Resolva para x	racine carrée de d=(x+z^3)/(5f)	$\sqrt{d} = \frac{x + z^{3}}{5 f}$
182750	Resolva para x	2x+1-7x+1=-2x+1+7x	$2 x + 1 - 7 x + 1 = - 2 x + 1 + 7 x$
182751	Simplifier	( racine carrée de 1+x-x/(2 racine carrée de 1+x))/(1+x)	$\frac{\sqrt{1 + x} - \frac{x}{2 \sqrt{1 + x}}}{1 + x}$
182752	Resolva a Inequação de Valor Absoluto para x	\|x-2\|=\|4+x\|	$\| x - 2 \| = \| 4 + x \|$
182753	Simplifier	(24a+8b)/12	$\frac{24 a + 8 b}{12}$
182754	Simplifier	6x racine carrée de 28x^5-x^2 racine carrée de 7x^3	$6 x \sqrt{28 x^{5}} - x^{2} \sqrt{7 x^{3}}$
182755	Trouver la valeur exacte	racine quatrième de -625	$\sqrt[4]{- 625}$
182756	Simplifier	7 racine carrée de 2* racine carrée de 2	$7 \sqrt{2} \cdot \sqrt{2}$
182757	Trouver les racines (zéros)	f(x)=3(5x+3)(x+2)(7x-1)	$f (x) = 3 (5 x + 3) (x + 2) (7 x - 1)$
182758	Resolva para x	23=x^2+7	$23 = x^{2} + 7$
182759	Resolva para k	1/(k+4)-2/(k^2+3k-4)=1/(k-1)	$\frac{1}{k + 4} - \frac{2}{k^{2} + 3 k - 4} = \frac{1}{k - 1}$
182760	Resolva para a	d=v_0^t+(at^2)/2	$d = v_{0^{t}} + \frac{a t^{2}}{2}$
182761	Trouver le milieu	(6,1) and (2,10)	$(6, 1)$ and $(2, 10)$
182762	Resolva para x	2 = cube root of 4x-12	$2 = \sqrt[3]{4 x - 12}$
182763	Resolva a Inequação para x	-4(6x-1)>-27+7x	$- 4 (6 x - 1) > - 27 + 7 x$
182764	Resolva para n	3+(2+8)=(3+2)+n	$3 + (2 + 8) = (3 + 2) + n$
182765	Simplifier	(((x-2)^2)/(x+2))÷((x-2)/(x^2-4))	$\frac{{(x - 2)}^{2}}{x + 2} \div \frac{x - 2}{x^{2} - 4}$
182766	Soustraire	(8n-3n^4+10n^2)-(3n^2+11n^4-7)	$(8 n - 3 n^{4} + 10 n^{2}) - (3 n^{2} + 11 n^{4} - 7)$
182767	Resolva para C	A=5/6(B+C)	$A = \frac{5}{6} (B + C)$
182768	Resolva para d	A=1/4pid^2	$A = \frac{1}{4} π d^{2}$
182769	Resolva para x	f(x)=2x+1	$f (x) = 2 x + 1$
182770	Resolva para g	5/4(2/5g-4)=2g+1/3(3-1/2g)	$\frac{5}{4} (\frac{2}{5} g - 4) = 2 g + \frac{1}{3} (3 - \frac{1}{2} g)$
182771	Simplifier	(-30x^5y^8)/(6x^5y^9)	$\frac{- 30 x^{5} y^{8}}{6 x^{5} y^{9}}$
182772	Tracer à l''aide de la table des valeurs	f(x) = square root of x-3	$f (x) = \sqrt{x} - 3$
182773	Simplifier	(4*7)^-4	${(4 \cdot 7)}^{- 4}$
182774	Resolva o Sistema de Equations	x+y=5 2x-y=4	$x + y = 5$ $2 x - y = 4$
182775	Resolva para x	1/x+(4x)/(x-1)=-(8x)/(x-1)	$\frac{1}{x} + \frac{4 x}{x - 1} = - \frac{8 x}{x - 1}$
182776	Simplifier	(6x^5+12x^4-144x^3)/(6x^3-12x^2-288x)*((x-8)^2)/(x^2-12x+32)	$\frac{6 x^{5} + 12 x^{4} - 144 x^{3}}{6 x^{3} - 12 x^{2} - 288 x} \cdot \frac{{(x - 8)}^{2}}{x^{2} - 12 x + 32}$
182777	Resolva a Inequação para p	2p(5p+2)-p(10p+3)<=14	$2 p (5 p + 2) - p (10 p + 3) \leq 14$
182778	Multiplier	(5x+25)/14*(7x+7)/(10x+50)	$\frac{5 x + 25}{14} \cdot \frac{7 x + 7}{10 x + 50}$
182779	Resolva para x	(x-1)/(x^2-4)<0	$\frac{x - 1}{x^{2} - 4} < 0$
182780	Trouver la fonction	f(x)=2x^2+x-3	$f (x) = 2 x^{2} + x - 3$
182781	Tracer	y=1/2sin(1/2x)	$y = \frac{1}{2} \sin (\frac{1}{2} x)$
182782	Trouver le produit	(x-5y)(x+5y)	$(x - 5 y) (x + 5 y)$
182783	Tracer	f(x)=2x if x!=0; 3 if x=0	$f (x) = {\begin{cases} 2 x & x \neq 0 \\ 3 & x = 0 \end{cases}$
182784	Resolva para a	x^(1/6) racine carrée de x^3=x^a	$x^{\frac{1}{6}} \sqrt{x^{3}} = x^{a}$
182785	Trouver le PPCM des dénominateurs	(3x)/(x^2-25) and 10/(3x-15) ?	$\frac{3 x}{x^{2} - 25}$ and $\frac{10}{3 x - 15}$ ?
182786	Trouver toutes les solutions complexes	x/(x+3)=3/((x+2)(x+3))	$\frac{x}{x + 3} = \frac{3}{(x + 2) (x + 3)}$
182787	Trouver les racines (zéros)	f(x)=2x(3-x)(x+1)	$f (x) = 2 x (3 - x) (x + 1)$
182788	Resolva o Sistema de Equations	1/2x-3/5y=-2 1/4x-1/2y=3	$\frac{1}{2} x - \frac{3}{5} y = - 2$ $\frac{1}{4} x - \frac{1}{2} y = 3$
182789	Trouver les racines (zéros)	(x+1)^2(x-5)=0	${(x + 1)}^{2} (x - 5) = 0$
182790	Resolva para x	4(2x-3)^2+14=34	$4 {(2 x - 3)}^{2} + 14 = 34$
182791	Resolva a Inequação para x	(x+8)/(x-7)<=1	$\frac{x + 8}{x - 7} \leq 1$
182792	Resolva a Equação Racional para x	1/(x-1)+1/(x+1)=(4x+2)/(x^2-1)	$\frac{1}{x - 1} + \frac{1}{x + 1} = \frac{4 x + 2}{x^{2} - 1}$
182793	Trouver la valeur exacte	cos(60 degrés )cos(45 degrés )-sin(60 degrés )sin(45 degrés )	$\cos (60 °) \cos (45 °) - \sin (60 °) \sin (45 °)$
182794	Diviser	((3x)/(2x+5))÷((2x)/(x+5))	$\frac{3 x}{2 x + 5} \div \frac{2 x}{x + 5}$
182795	Resolva para n	-4n-8n+17=23	$- 4 n - 8 n + 17 = 23$
182796	Resolva a Inequação para x	\|x\|>x-1	$\| x \| > x - 1$
182797	Déterminer si c''est vrai	cos(90 degrés -theta)=sin(theta)	$\cos (90 ° - θ) = \sin (θ)$
182798	Resolva o Sistema de Equations	x-y=11 and 2x+y=19	$x - y = 11$ and $2 x + y = 19$
182799	Resolva a Inequação de Valor Absoluto para x	\|x-1\|>=2	$\| x - 1 \| \geq 2$
182800	Tracer à l''aide de la table des valeurs	y=- racine carrée de x	$y = - \sqrt{x}$