Mathway | Popular Problems

Popular Problems

Rank	Topic	Problem	Formatted Problem
134201	Find the Sample Standard Deviation	13 , 17 , 9 , 21	$13$ , $17$ , $9$ , $21$
134202	Find the Sample Standard Deviation	12 , 14 , 5 , 13 , 11	$12$ , $14$ , $5$ , $13$ , $11$
134203	Find the Sample Standard Deviation	31 , 34 , 28 , 37 , 35 , 30 , 29	$31$ , $34$ , $28$ , $37$ , $35$ , $30$ , $29$
134204	Find the Sample Standard Deviation	17 , 18 , 22 , 16 , 18 , 14 , 13 , 23 , 20	$17$ , $18$ , $22$ , $16$ , $18$ , $14$ , $13$ , $23$ , $20$
134205	Find Any Equation Parallel to the Line	3x-2y=6	$3 x - 2 y = 6$
134206	Find the Sample Standard Deviation	9 , 14 , 23 , 15 , 6 , 18 , 27	$9$ , $14$ , $23$ , $15$ , $6$ , $18$ , $27$
134207	Find the Sample Standard Deviation	71 , 66 , 152 , 78 , 75 , 72 , 66 , 80 , 68 , 60	$71$ , $66$ , $152$ , $78$ , $75$ , $72$ , $66$ , $80$ , $68$ , $60$
134208	Find the Sample Standard Deviation	8 , 4 , 14 , 16 , 8	$8$ , $4$ , $14$ , $16$ , $8$
134209	Find Any Equation Parallel to the Line	2x+y=5	$2 x + y = 5$
134210	Find the Sample Standard Deviation	4 , 4 , 4 , 9 , 14 , 14 , 14	$4$ , $4$ , $4$ , $9$ , $14$ , $14$ , $14$
134211	Find the Sample Standard Deviation	4 , 21 , 11 , 6 , 8	$4$ , $21$ , $11$ , $6$ , $8$
134212	Solve the Triangle	6+7*inx=15.8	$6 + 7 \cdot in x = 15.8$
134213	Find the Equation of the Parabola	(1,344) , (3,236) , (4,134)	$(1, 344)$ , $(3, 236)$ , $(4, 134)$
134214	Find the Equation of the Parabola	(0,18) , (3,9) , (-1,25)	$(0, 18)$ , $(3, 9)$ , $(- 1, 25)$
134215	Find the Equation of the Parabola	(-1,2) , (0,10) , (1,50) , (2,250)	$(- 1, 2)$ , $(0, 10)$ , $(1, 50)$ , $(2, 250)$
134216	Solve the Triangle	a=10 , b=24	$a = 10$ , $b = 24$
134217	Solve the Triangle	c=2pir	$c = 2 π r$
134218	Reduce	((2x^8)/(5y))/((4x^2)/(25y^3))	$\frac{\frac{2 x^{8}}{5 y}}{\frac{4 x^{2}}{25 y^{3}}}$
134219	Reduce	( seventh root of (a+b)^6)/( square root of a+b)	$\frac{\sqrt[7]{{(a + b)}^{6}}}{\sqrt{a + b}}$
134220	Reduce	(5t-15)/(t^2-9)	$\frac{5 t - 15}{t^{2} - 9}$
134221	Reduce	(8ab^2x)/(4a^2b-8ab^2)	$\frac{8 a b^{2} x}{4 a^{2} b - 8 a b^{2}}$
134222	Reduce	(3t-15)/(t^2-25)	$\frac{3 t - 15}{t^{2} - 25}$
134223	Reduce	(3y^2-3y)/(y-1)	$\frac{3 y^{2} - 3 y}{y - 1}$
134224	Find Trig Functions Using Identities	(sin(2x))/(1+cos(2x))	$\frac{\sin (2 x)}{1 + \cos (2 x)}$
134225	Reduce	(x^2-3x-10)/(x^3+8)	$\frac{x^{2} - 3 x - 10}{x^{3} + 8}$
134226	Reduce	y/(y^2-2y)	$\frac{y}{y^{2} - 2 y}$
134227	Find the Eccentricity	9x^2-16y^2=144	$9 x^{2} - 16 y^{2} = 144$
134228	Find the Eccentricity	(x^2)/4+(y^2)/49=1	$\frac{x^{2}}{4} + \frac{y^{2}}{49} = 1$
134229	Find the Eccentricity	(x^2)/4+(y^2)/25=1	$\frac{x^{2}}{4} + \frac{y^{2}}{25} = 1$
134230	Find the Eccentricity	(x^2)/15+(y^2)/45=1	$\frac{x^{2}}{15} + \frac{y^{2}}{45} = 1$
134231	Find the Local Maxima and Minima	f(x)=-3x^4+7x^3+3x^2-9x-1	$f (x) = - 3 x^{4} + 7 x^{3} + 3 x^{2} - 9 x - 1$
134232	Find the Local Maxima and Minima	f(x)=-4x^4-9x^3+2x^2+7x-2	$f (x) = - 4 x^{4} - 9 x^{3} + 2 x^{2} + 7 x - 2$
134233	Find the Local Maxima and Minima	h(t)=112t-16t^2	$h (t) = 112 t - 16 t^{2}$
134234	Find the Local Maxima and Minima	p(x)=-2x^2+40x-72	$p (x) = - 2 x^{2} + 40 x - 72$
134235	Find Any Equation Perpendicular to the Line	y=7x-7	$y = 7 x - 7$
134236	Find Any Equation Perpendicular to the Line	y=-4x+8	$y = - 4 x + 8$
134237	Find Any Equation Perpendicular to the Line	y=4x-2	$y = 4 x - 2$
134238	Find Any Equation Perpendicular to the Line	y=5x-5	$y = 5 x - 5$
134239	Find Any Equation Perpendicular to the Line	y=3x-5	$y = 3 x - 5$
134240	Find Any Equation Perpendicular to the Line	y=1/3x+4	$y = \frac{1}{3} x + 4$
134241	Find the Trig Value	sec(x) = square root of 2	$\sec (x) = \sqrt{2}$
134242	Find the Trig Value	sin(a)=-12/13 , (3pi)/2<a<2pi ; tan(b)=-20/21 , pi/2<b<pi	$\sin (a) = - \frac{12}{13}$ , $\frac{3 π}{2} < a < 2 π$ ; $\tan (b) = - \frac{20}{21}$ , $\frac{π}{2} < b < π$
134243	Find the Trig Value	sin(x)=2/3	$\sin (x) = \frac{2}{3}$
134244	Find the Variables	[[x-1,3],[2,3y]]=[[2,3],[2,6]]	$[\begin{array}{c} x - 1 & 3 \\ 2 & 3 y \end{array}] = [\begin{array}{c} 2 & 3 \\ 2 & 6 \end{array}]$
134245	Find the Variables	[[12,16],[0,18]]=[[x-y,16],[0,2y+x]]	$[\begin{array}{c} 12 & 16 \\ 0 & 18 \end{array}] = [\begin{array}{c} x - y & 16 \\ 0 & 2 y + x \end{array}]$
134246	Find the Trig Value	cos(1/2)	$\cos (\frac{1}{2})$
134247	Find the LCD	y/(4y+8)-1/(y^2+2y)	$\frac{y}{4 y + 8} - \frac{1}{y^{2} + 2 y}$
134248	Find the Intersection of the Sets	{1,3,5,7} intersect {2,4,6,8,10}	${1, 3, 5, 7} \cap {2, 4, 6, 8, 10}$
134249	Find the LCD	18/(x^2-3x)-6/(x-3)=5/x	$\frac{18}{x^{2} - 3 x} - \frac{6}{x - 3} = \frac{5}{x}$
134250	Find the LCD	1/(x^2+4x-12)+(3x)/(4x-8)	$\frac{1}{x^{2} + 4 x - 12} + \frac{3 x}{4 x - 8}$
134251	Find the LCD	3/(2x-8)(2x)/(5x-20)	$\frac{3}{2 x - 8} \frac{2 x}{5 x - 20}$
134252	Find the LCD	4/97/15	$\frac{4}{9} \frac{7}{15}$
134253	Find the LCD	(5x)/7+1/14=7/28	$\frac{5 x}{7} + \frac{1}{14} = \frac{7}{28}$
134254	Find the Slope and y-intercept	(4,0) , (12,5)	$(4, 0) (12, 5)$
134255	Find the Slope and y-intercept	(3,5) , (2,0)	$(3, 5) (2, 0)$
134256	Find the Slope and y-intercept	(3,-1) , (4,7)	$(3, - 1)$ , $(4, 7)$
134257	Determine if a Polynomial	5x^5	$5 x^{5}$
134258	Determine if a Polynomial	7x^2y-8xy^2+9xy	$7 x^{2} y - 8 x y^{2} + 9 x y$
134259	Determine if a Polynomial	9x	$9 x$
134260	Determine if a Polynomial	f(x)=6x+x^3	$f (x) = 6 x + x^{3}$
134261	Determine if a Polynomial	f(x)=4x+2x^5	$f (x) = 4 x + 2 x^{5}$
134262	Determine if a Polynomial	-3x^2-11+12x^3+7x^2+7	$- 3 x^{2} - 11 + 12 x^{3} + 7 x^{2} + 7$
134263	Determine if a Polynomial	3x+7	$3 x + 7$
134264	Determine if a Polynomial	3x+2x^2-6	$3 x + 2 x^{2} - 6$
134265	Determine if a Polynomial	3x-4	$3 x - 4$
134266	Find the Degree	f(x)=x^4(2-x^3)+1	$f (x) = x^{4} (2 - x^{3}) + 1$
134267	Find the Degree	G(x)=3(x-1)^2(x^2+5)	$G (x) = 3 {(x - 1)}^{2} (x^{2} + 5)$
134268	Find the Degree	G(x)=4(x-1)^2(x^2+2)	$G (x) = 4 {(x - 1)}^{2} (x^{2} + 2)$
134269	Find the Degree	f(x)=2x^7+6x^5+12x+10	$f (x) = 2 x^{7} + 6 x^{5} + 12 x + 10$
134270	Find the Second Term	a_n=3n-8	$a_{n} = 3 n - 8$
134271	Find the Second Term	a_n=5n-6	$a_{n} = 5 n - 6$
134272	Find the Third Term	((2^(n-1))/4)	$(\frac{2^{n - 1}}{4})$
134273	Find the Fourth Term	3 , 9 , 27	$3$ , $9$ , $27$
134274	Find the Fourth Term	-4 , 12 , -36	$- 4$ , $12$ , $- 36$
134275	Find the Fourth Term	10 , 13 , 16	$10$ , $13$ , $16$
134276	Find the Second Term	a_n=2n+7	$a_{n} = 2 n + 7$
134277	Find the Second Term	a_n=3(4)^(n-1)	$a_{n} = 3 {(4)}^{n - 1}$
134278	Find the 6th Term	7 , 21 , 63 , 189	$7$ , $21$ , $63$ , $189$
134279	Find the 6th Term	-4 , 8 , -16 , 32	$- 4$ , $8$ , $- 16$ , $32$
134280	Find the 7th Term	2 , 4 , 8 , 16 , 32	$2$ , $4$ , $8$ , $16$ , $32$
134281	Find the 5th Term	5 , 5/2 , 5/4	$5$ , $\frac{5}{2}$ , $\frac{5}{4}$
134282	Find the 5th Term	-5 , 10 , -20 , 40	$- 5$ , $10$ , $- 20$ , $40$
134283	Find the 5th Term	10 , 40 , 160 , 640	$10$ , $40$ , $160$ , $640$
134284	Find the 5th Term	15 , 17 , 19 , 21	$15$ , $17$ , $19$ , $21$
134285	Find the 6th Term	2 , 10 , 50 , 250 , 1250	$2$ , $10$ , $50$ , $250$ , $1250$
134286	Find the 6th Term	2 , 8 , 14 , 20	$2$ , $8$ , $14$ , $20$
134287	Find the 5th Term	-5 , 10 , -15 , 20	$- 5$ , $10$ , $- 15$ , $20$
134288	Find the 5th Term	6 , 18 , 54 , 162	$6$ , $18$ , $54$ , $162$
134289	Find the 5th Term	square root of 5 , square root of 10 , 2 square root of 5	$\sqrt{5}$ , $\sqrt{10}$ , $2 \sqrt{5}$
134290	Find the Factors Using the Factor Theorem	x^3-7x^2+15x-25 ; x-5	$x^{3} - 7 x^{2} + 15 x - 25$ ; $x - 5$
134291	Find the Prime Factorization	301	$301$
134292	Find the Prime Factorization	194	$194$
134293	Find the Prime Factorization	1350	$1350$
134294	Find the Prime Factorization	561	$561$
134295	Find the Prime Factorization	972	$972$
134296	Find Reduced Row Echelon Form	[[1,0,-3,4],[0,1,2,12],[0,0,1,5]]	$[\begin{array}{c} 1 & 0 & - 3 & 4 \\ 0 & 1 & 2 & 12 \\ 0 & 0 & 1 & 5 \end{array}]$
134297	Find Reduced Row Echelon Form	[[-6,8,0,0],[4,1,9,2]]	$[\begin{array}{c} - 6 & 8 & 0 & 0 \\ 4 & 1 & 9 & 2 \end{array}]$
134298	Find Reduced Row Echelon Form	[[1,-2,4,11],[0,1,2,11],[0,0,1,4]]	$[\begin{array}{c} 1 & - 2 & 4 & 11 \\ 0 & 1 & 2 & 11 \\ 0 & 0 & 1 & 4 \end{array}]$
134299	Solve the Matrix Equation	[[8,5],[3,2]]x=[[2,-1],[3,2]]	$[\begin{array}{c} 8 & 5 \\ 3 & 2 \end{array}] x = [\begin{array}{c} 2 & - 1 \\ 3 & 2 \end{array}]$
134300	Solve the Matrix Equation	3x-2[[1.5,-2.4],[3.6,-0.5]]=[[1.2,-3.6],[0.3,0.4]]	$3 x - 2 [\begin{array}{c} 1.5 & - 2.4 \\ 3.6 & - 0.5 \end{array}] = [\begin{array}{c} 1.2 & - 3.6 \\ 0.3 & 0.4 \end{array}]$