Mathway | Problemas populares

Problemas populares

Classificação	Tópico	Problema	Problema formatado
192201	Avalia	20% of 100	$20 %$ of $100$
192202	Avalia	\|3-pi\|	$\| 3 - π \|$
192203	Simplifique	x/5-1/4	$\frac{x}{5} - \frac{1}{4}$
192204	Simplifique	(1+3 raiz quadrada de 2)-(4- raiz quadrada de 50)	$(1 + 3 \sqrt{2}) - (4 - \sqrt{50})$
192205	Escreva na Forma Padrão	raiz quadrada de -121	$\sqrt{- 121}$
192206	Simplifique	(a^2+a-12)/(a^2-4a+3)+2/(a-1)	$\frac{a^{2} + a - 12}{a^{2} - 4 a + 3} + \frac{2}{a - 1}$
192207	Löse nach x auf	(2x-1)/3-(3x)/4=5/6	$\frac{2 x - 1}{3} - \frac{3 x}{4} = \frac{5}{6}$
192208	Representa a função num gráfico cartesiano	y<=\|x\|-2	$y \leq \| x \| - 2$
192209	Determina o valor exato	1/3*3	$\frac{1}{3} \cdot 3$
192210	Fatorizar	a(n+1)-b(n+1)-n-1	$a (n + 1) - b (n + 1) - n - 1$
192211	Avalie a Função	f(x)=5/x at x=-1	$f (x) = \frac{5}{x}$ at $x = - 1$
192212	Simplifique	-7+(x+1)/2-15	$- 7 + \frac{x + 1}{2} - 15$
192213	Löse nach d auf	(2-3d)(4-3d)=0	$(2 - 3 d) (4 - 3 d) = 0$
192214	Avalia	1/2x^(-1/2)	$\frac{1}{2} x^{- \frac{1}{2}}$
192215	Fatorizar	6m^2-13am-15a^2	$6 m^{2} - 13 a m - 15 a^{2}$
192216	Löse das System von Equations	-x+y=9 x-y=-9	$- x + y = 9$ $x - y = - 9$
192217	Representa a função num gráfico cartesiano	f(x)=x^3+x^2+x+1 ?	$f (x) = x^{3} + x^{2} + x + 1$ ?
192218	Löse nach R₂ auf	1/R_t=1/R_1+1/R_2+1/R_3	$\frac{1}{R_{t}} = \frac{1}{R_{1}} + \frac{1}{R_{2}} + \frac{1}{R_{3}}$
192219	Determina o valor exato	2^3-(( raiz quadrada de 4)(6/3-1))	$2^{3} - ((\sqrt{4}) (\frac{6}{3} - 1))$
192220	Multiplique	2/31/49	$\frac{2}{3} \cdot \frac{1}{4} \cdot 9$
192221	Avalia	(- raiz quadrada de 9+ raiz quadrada de -4)-(2 raiz quadrada de 576+ raiz quadrada de -64)	$(- \sqrt{9} + \sqrt{- 4}) - (2 \sqrt{576} + \sqrt{- 64})$
192222	Avalia	tan(arcsin(( raiz quadrada de 3)/2))	$\tan (\arcsin (\frac{\sqrt{3}}{2}))$
192223	Löse das System von Equations	y=x^2+4x y=-x-6	$y = x^{2} + 4 x$ $y = - x - 6$
192224	Representa a função num gráfico cartesiano	raiz cúbica de 64=4	$\sqrt[3]{64} = 4$
192225	Löse nach x auf	y=(x-2)^2	$y = {(x - 2)}^{2}$
192226	Divide	(5^10)/(5^12)	$\frac{5^{10}}{5^{12}}$
192227	Simplifique	3^-3*10^-3	$3^{- 3} \cdot 10^{- 3}$
192228	Löse die Ungleichung nach x auf	0<=x<=2pi	$0 \leq x \leq 2 π$
192229	Löse das System von Equations	3x-y+z=3 -x+y+2z=0 -5x+3y+2z=-2	$3 x - y + z = 3$ $- x + y + 2 z = 0$ $- 5 x + 3 y + 2 z = - 2$
192230	Löse nach x auf	5(1+2x)=1/2(8+20x)	$5 (1 + 2 x) = \frac{1}{2} (8 + 20 x)$
192231	Löse nach x auf	raiz quadrada de x+1 = raiz quadrada de x+13	$\sqrt{x} + 1 = \sqrt{x + 13}$
192232	Representa a função num gráfico cartesiano	g(x)=(2x^2-8)/(x^2+x-6)	$g (x) = \frac{2 x^{2} - 8}{x^{2} + x - 6}$
192233	Simplifique	mn(-m^5n^3)(-m^3n^8)	$m n \cdot (- m^{5} n^{3}) \cdot (- m^{3} n^{8})$
192234	Determina a reta paralela	(-2,4) and parallel to x+3y=5	$(- 2, 4)$ and parallel to $x + 3 y = 5$
192235	Löse das System von Inequalities	y>-x-2 y<-5x+2	$y > - x - 2$ $y < - 5 x + 2$
192236	Löse nach q auf	4(2q-3)=8q-12	$4 (2 q - 3) = 8 q - 12$
192237	Simplifique	(16^3)^(1/2)	${(16^{3})}^{\frac{1}{2}}$
192238	Escreva na Forma Padrão	y=1/2(x+4)(x-2)	$y = \frac{1}{2} (x + 4) (x - 2)$
192239	Representa a função num gráfico cartesiano	x^3=y	$x^{3} = y$
192240	Determina as raízes (zeros)	f(x)=(x+1)(x+2)(x-1)^2	$f (x) = (x + 1) (x + 2) {(x - 1)}^{2}$
192241	Avalia	1÷(( raiz quadrada de 2)/2)	$1 \div \frac{\sqrt{2}}{2}$
192242	Determina a reta paralela	Find the equation of the line through (-1,7) which is parallel to the line y=8x+4	Find the equation of the line through $(- 1, 7)$ which is parallel to the line $y = 8 x + 4$
192243	Determina todas as raízes complexas	sin(x)^2-sin(x)=0	$\sin^{2} (x) - \sin (x) = 0$
192244	Löse die Ungleichung nach x auf	167<6+7(2-7x)	$167 < 6 + 7 (2 - 7 x)$
192245	Simplifique	(x^4-49x^2)/(x^3+2x^4-63x)	$\frac{x^{4} - 49 x^{2}}{x^{3} + 2 x^{4} - 63 x}$
192246	Löse die Ungleichung nach x auf	3^x=81	$3^{x} = 81$
192247	Multiplique	13/5212/5111/50	$\frac{13}{52} \cdot \frac{12}{51} \cdot \frac{11}{50}$
192248	Löse nach a auf	( raiz sexta de x)/((x^5)^(1/6))=x^a	$\frac{\sqrt[6]{x}}{{(x^{5})}^{\frac{1}{6}}} = x^{a}$
192249	Determina todas as raízes complexas	raiz quadrada de 2x+4=1/2x+1	$\sqrt{2 x + 4} = \frac{1}{2} x + 1$
192250	Löse nach x auf	(100-4x)/3=(5x+6)/4+6	$\frac{100 - 4 x}{3} = \frac{5 x + 6}{4} + 6$
192251	Simplifique	3 raiz quadrada de 2y^3*7 raiz quadrada de 18y	$3 \sqrt{2 y^{3}} \cdot 7 \sqrt{18 y}$
192252	Plote graficamente usando uma tabela de valores	y=b^x	$y = b^{x}$
192253	Escreva na Forma Padrão	4x^2-2=0	$4 x^{2} - 2 = 0$
192254	Resolva Fatorando	3x^2-8x=x^2+42	$3 x^{2} - 8 x = x^{2} + 42$
192255	Representa a função num gráfico cartesiano	-6<=-7+x	$- 6 \leq - 7 + x$
192256	Löse nach a auf	a+18=7a	$a + 18 = 7 a$
192257	Simplifique	x/2-x	$\frac{x}{2} - x$
192258	Simplifique	( raiz quadrada de x+y)( raiz quadrada de x-y)	$(\sqrt{x} + y) (\sqrt{x} - y)$
192259	Determina o valor exato	2(sin(30 graus ))-tan(45 graus )	$2 (\sin (30 °)) - \tan (45 °)$
192260	Löse die Ungleichung nach x auf	x-6>=-7	$x - 6 \geq - 7$
192261	Representa a função num gráfico cartesiano	f(x)=-x+1 if x<-2; -x^2 if -2<=x<1; x-3 if x>=1	$f (x) = {\begin{cases} - x + 1 & x < - 2 \\ - x^{2} & - 2 \leq x < 1 \\ x - 3 & x \geq 1 \end{cases}$
192262	Löse nach vᵢ auf	v_f=v_i+at	$v_{f} = v_{i} + a t$
192263	Determina as raízes (zeros)	y=x-1/4x^2	$y = x - \frac{1}{4} x^{2}$
192264	Löse nach a auf	0.85=a/-7.2	$0.85 = \frac{a}{- 7.2}$
192265	Simplifique	(5x(2x+1))/(7x(8x+4))	$\frac{5 x (2 x + 1)}{7 x (8 x + 4)}$
192266	Determina o valor exato	-csc(pi/4)^2	$- \csc^{2} (\frac{π}{4})$
192267	Simplifique	(5c)/(4c+1)-(c-1)/(1+4c)	$\frac{5 c}{4 c + 1} - \frac{c - 1}{1 + 4 c}$
192268	Avalia	(-3)+5+(-5)+12	$(- 3) + 5 + (- 5) + 12$
192269	Determina o valor exato	(( raiz quadrada de 2)/2)/(( raiz quadrada de 2)/2)	$\frac{\frac{\sqrt{2}}{2}}{\frac{\sqrt{2}}{2}}$
192270	Simplifique	4^-64^4(2^3*2^-4)^-1	$4^{- 6} \cdot 4^{4} \cdot {(2^{3} \cdot 2^{- 4})}^{- 1}$
192271	Avalia	find f(-1)	find $f (- 1)$
192272	Divide	10÷3 3/4	$10 \div 3 \frac{3}{4}$
192273	Determina o grau do polinómio, termo de maior grau e o coeficiente do termo de maior grau	f(x)=x^3(x-3)^2	$f (x) = x^{3} {(x - 3)}^{2}$
192274	Ermittle f(g(x))	f(x) = square root of x and g(x)=x+3	$f (x) = \sqrt{x}$ and $g (x) = x + 3$
192275	Avalia	cos(x)=1	$\cos (x) = 1$
192276	Simplifique	-5/(2(x+4)^2+6(x+4))	$\frac{- 5}{2 {(x + 4)}^{2} + 6 (x + 4)}$
192277	Löse nach p auf	4p-1<=3p-10	$4 p - 1 \leq 3 p - 10$
192278	Representa a função num gráfico cartesiano	y>2x-4 y<2	$y > 2 x - 4$ $y < 2$
192279	Löse das System von Equations	x+y=5 -2x+4y=8	$x + y = 5$ $- 2 x + 4 y = 8$
192280	Simplifique	(2x+1/2)^2	${(2 x + \frac{1}{2})}^{2}$
192281	Löse nach x auf	2x+3x-4=x+6	$2 x + 3 x - 4 = x + 6$
192282	Simplifique	(((4x^2y^3)^2)/((2xy)^3))^2	${(\frac{{(4 x^{2} y^{3})}^{2}}{{(2 x y)}^{3}})}^{2}$
192283	Löse nach x auf	1+3/(x-1)=1/(x^2+x-2)	$1 + \frac{3}{x - 1} = \frac{1}{x^{2} + x - 2}$
192284	Simplifique	4x-2/5x-(3x-y)+(1/2x-1/5y-(1/6x-1/3y))	$4 x - \frac{2}{5} x - (3 x - y) + (\frac{1}{2} x - \frac{1}{5} y - (\frac{1}{6} x - \frac{1}{3} y))$
192285	Avalia	(-2)^3-(3)*8+(5)(10)	${(- 2)}^{3} - (3) \cdot 8 + (5) (10)$
192286	Encontre os Interceptos em x e y	f(x)=2+4^(x-1)	$f (x) = 2 + 4^{x - 1}$
192287	Resolva Usando a Fórmula Quadrática	12x=9x^2+4	$12 x = 9 x^{2} + 4$
192288	Determina a equação através de dois pontos conhecidos	(1,3) and (3,4)	$(1, 3)$ and $(3, 4)$
192289	Avalia	7(2m+3)-5m=2(4m+8)+9	$7 (2 m + 3) - 5 m = 2 (4 m + 8) + 9$
192290	Simplifique	-1-w-2w+7-19	$- 1 - w - 2 w + 7 - 19$
192291	Löse nach n auf	A=P(1+r/400)^(4n)	$A = P {(1 + \frac{r}{400})}^{4 n}$
192292	Representa a função num gráfico cartesiano	h(x)=4-x^2,x<-2; 3+x,-2<=x<0; x^2+1,x>=0	$h (x) = {\begin{cases} 4 - x^{2}, x < - 2 \\ 3 + x, - 2 \leq x < 0 \\ x^{2} + 1, x \geq 0 \end{cases}$
192293	Löse nach r auf	4r+8+5=-15-3r	$4 r + 8 + 5 = - 15 - 3 r$
192294	Determina a expressão da função inversa	f(x)=(x^3+5)^(1/5)	$f (x) = {(x^{3} + 5)}^{\frac{1}{5}}$
192295	Associa Termos Semelhantes	(-7x^2+3)-(-4x-3)	$(- 7 x^{2} + 3) - (- 4 x - 3)$
192296	Simplifique	3x+5+4x^2-2-x^2-3x+1	$3 x + 5 + 4 x^{2} - 2 - x^{2} - 3 x + 1$
192297	Ermittle f(g(x))	f(x)=-1/2x^2+5x g(x)=x^2+2	$f (x) = - \frac{1}{2} x^{2} + 5 x$ $g (x) = x^{2} + 2$
192298	Simplifique	(2^(2/3)*16^(2/3))/(4^(2/3))	$\frac{2^{\frac{2}{3}} \cdot 16^{\frac{2}{3}}}{4^{\frac{2}{3}}}$
192299	Löse nach n auf	-17+n/-3=-12	$- 17 + \frac{n}{- 3} = - 12$
192300	Simplifique	(x/25-1/5)/((x^2)/25-1)	$\frac{\frac{x}{25} - \frac{1}{5}}{\frac{x^{2}}{25} - 1}$