Mathway | Popular Problems

Popular Problems

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Rank	Topic	Problem	Formatted Problem
39801	Convert to a Percentage	42/60	$\frac{42}{60}$
39802	Solve Using the Quadratic Formula	5/3k^2-k-6/5=0	$\frac{5}{3} k^{2} - k - \frac{6}{5} = 0$
39803	Convert to a Percentage	44/50	$\frac{44}{50}$
39804	Solve Using the Quadratic Formula	3/5k^2-k-10/3=0	$\frac{3}{5} k^{2} - k - \frac{10}{3} = 0$
39805	Convert to a Percentage	36/20	$\frac{36}{20}$
39806	Solve Using the Quadratic Formula	2/5y^2+1/5y=3/5	$\frac{2}{5} y^{2} + \frac{1}{5} y = \frac{3}{5}$
39807	Convert to a Percentage	32/20	$\frac{32}{20}$
39808	Solve Using the Quadratic Formula	(x^2)/6-x=12	$\frac{x^{2}}{6} - x = 12$
39809	Solve Using the Quadratic Formula	1/2x^2+1/14x-1=0	$\frac{1}{2} x^{2} + \frac{1}{14} x - 1 = 0$
39810	Solve Using the Quadratic Formula	1/2x^2+1/6x-1=0	$\frac{1}{2} x^{2} + \frac{1}{6} x - 1 = 0$
39811	Factor over the Complex Numbers	x^4+4x^3+44x^2+196x-245	$x^{4} + 4 x^{3} + 44 x^{2} + 196 x - 245$
39812	Solve Using the Quadratic Formula	1/2x^2-x-1=0	$\frac{1}{2} x^{2} - x - 1 = 0$
39813	Solve Using the Quadratic Formula	(y+6)(y-4)=0	$(y + 6) (y - 4) = 0$
39814	Solve Using the Quadratic Formula	(x-5)(x+4)=0	$(x - 5) (x + 4) = 0$
39815	Factor over the Complex Numbers	x^4-4x^3-18x^2+108x-135	$x^{4} - 4 x^{3} - 18 x^{2} + 108 x - 135$
39816	Solve Using the Quadratic Formula	(x-6)(x+4)=0	$(x - 6) (x + 4) = 0$
39817	Solve Using the Quadratic Formula	(x-6)(x+8)=0	$(x - 6) (x + 8) = 0$
39818	Solve Using the Quadratic Formula	(x-3)(x-7)=0	$(x - 3) (x - 7) = 0$
39819	Solve Using the Quadratic Formula	(x-11)(x+5)=0	$(x - 11) (x + 5) = 0$
39820	Solve Using the Quadratic Formula	(x+4)(x-12)=5x	$(x + 4) (x - 12) = 5 x$
39821	Factor over the Complex Numbers	x^4-9x^3-15x^2+325x-750	$x^{4} - 9 x^{3} - 15 x^{2} + 325 x - 750$
39822	Find the x and y Intercepts	y=-x^2-4x	$y = - x^{2} - 4 x$
39823	Find the x and y Intercepts	y=x^2-7x+10	$y = x^{2} - 7 x + 10$
39824	Find the Mean	20 , 16 , 18 , 9 , 20 , 16 , 14	$20$ , $16$ , $18$ , $9$ , $20$ , $16$ , $14$
39825	Find the Mean	85 , 78 , 77 , 69 , 91	$85$ , $78$ , $77$ , $69$ , $91$
39826	Find the x and y Intercepts	y=x^2-11	$y = x^{2} - 11$
39827	Find the Mean	83 , 96 , 67 , 67 , 86 , 65 , 82 , 85 , 97 , 73 , 85 , 67 , 99 , 98 , 65 , 96 , 70 , 92 , 74 , 83 , 72 , 76	$83$ , $96$ , $67$ , $67$ , $86$ , $65$ , $82$ , $85$ , $97$ , $73$ , $85$ , $67$ , $99$ , $98$ , $65$ , $96$ , $70$ , $92$ , $74$ , $83$ , $72$ , $76$
39828	Find the x and y Intercepts	y=x^2-x-42	$y = x^{2} - x - 42$
39829	Find the x and y Intercepts	y=x^2-x-56	$y = x^{2} - x - 56$
39830	Find the Mean	1.7 , 3.2 , 2.8 , 2.3	$1.7$ , $3.2$ , $2.8$ , $2.3$
39831	Find the x and y Intercepts	y=2x^2-x-1	$y = 2 x^{2} - x - 1$
39832	Find the x and y Intercepts	y=-3/4x+4	$y = - \frac{3}{4} x + 4$
39833	Find the Mean	2 , 3 , 6 , 8 , 10 , 11 , 12 , 12	$2$ , $3$ , $6$ , $8$ , $10$ , $11$ , $12$ , $12$
39834	Find the x and y Intercepts	y=3/2x^2	$y = \frac{3}{2} x^{2}$
39835	Find the x and y Intercepts	y=3/2x+1	$y = \frac{3}{2} x + 1$
39836	Find the x and y Intercepts	y=2/3x	$y = \frac{2}{3} x$
39837	Find the Mean	1 , 2 , 3 , 4 , 5	$1$ , $2$ , $3$ , $4$ , $5$
39838	Find the x and y Intercepts	y=-x^2+2x-3	$y = - x^{2} + 2 x - 3$
39839	Find the Mean	3.4 , 5.6 , 1.2 , 3.4 , 9.0 , 5.6 , 7.8	$3.4$ , $5.6$ , $1.2$ , $3.4$ , $9$ , $5.6$ , $7.8$
39840	Find the x and y Intercepts	y = log base 5 of x	$y = \log_{5} (x)$
39841	Find the Mean	26 , 19 , 23 , 39 , 31 , 34 , 23 , 25	$26$ , $19$ , $23$ , $39$ , $31$ , $34$ , $23$ , $25$
39842	Find the x and y Intercepts	y=-1/2x-3	$y = - \frac{1}{2} x - 3$
39843	Find the Mean	46 , 53 , 38 , 67 , 46 , 57 , 61 , 42 , 63 , 55 , 46	$46$ , $53$ , $38$ , $67$ , $46$ , $57$ , $61$ , $42$ , $63$ , $55$ , $46$
39844	Find the x and y Intercepts	y=1/3x-3	$y = \frac{1}{3} x - 3$
39845	Find the Mean	1.2 , 4.4 , 5.7 , 7.4 , 7.4 , 4.2 , 2.2 , 4.2	$1.2$ , $4.4$ , $5.7$ , $7.4$ , $7.4$ , $4.2$ , $2.2$ , $4.2$
39846	Find the x and y Intercepts	y=(x^2-4)/(x^2-9)	$y = \frac{x^{2} - 4}{x^{2} - 9}$
39847	Find the Mean	3 , 3 , 4 , 5 , 5 , 9	$3$ , $3$ , $4$ , $5$ , $5$ , $9$
39848	Find the x and y Intercepts	y=(1/3)^x	$y = {(\frac{1}{3})}^{x}$
39849	Find the x and y Intercepts	y=(x-3)^2	$y = {(x - 3)}^{2}$
39850	Find the Mean	5.6 , 5.2 , 4.6 , 4.9 , 5.7 , 6.4	$5.6$ , $5.2$ , $4.6$ , $4.9$ , $5.7$ , $6.4$
39851	Find the x and y Intercepts	x-2y=10	$x - 2 y = 10$
39852	Find the Mean	8 , 7 , 10 , 6 , 8 , 5 , 9 , 8 , 7 , 4	$8$ , $7$ , $10$ , $6$ , $8$ , $5$ , $9$ , $8$ , $7$ , $4$
39853	Find the Integral	4(2x+5)^3	$4 {(2 x + 5)}^{3}$
39854	Find the x and y Intercepts	x=5y	$x = 5 y$
39855	Find the x and y Intercepts	x=7y	$x = 7 y$
39856	Find the x and y Intercepts	x=3y	$x = 3 y$
39857	Find the x and y Intercepts	y=-5-5x	$y = - 5 - 5 x$
39858	Find the x and y Intercepts	y=5x-1	$y = 5 x - 1$
39859	Write with Rational (Fractional) Exponents	square root of y^3	$\sqrt{y^{3}}$
39860	Find the x and y Intercepts	y=6x-9	$y = 6 x - 9$
39861	Find the x and y Intercepts	y=4x-4	$y = 4 x - 4$
39862	Find the Inverse	[[2,0,3],[0,-1,0],[3,1,4]]	$[\begin{array}{c} 2 & 0 & 3 \\ 0 & - 1 & 0 \\ 3 & 1 & 4 \end{array}]$
39863	Find the Inverse	[[2,1],[3,1]]	$[\begin{array}{c} 2 & 1 \\ 3 & 1 \end{array}]$
39864	Solve Using the Quadratic Formula	2x^2+4x+7=0	$2 x^{2} + 4 x + 7 = 0$
39865	Find the Inverse	p=[[2,1],[3,-5]]	$p = [\begin{array}{c} 2 & 1 \\ 3 & - 5 \end{array}]$
39866	Solve Using the Quadratic Formula	2x^2+40=0	$2 x^{2} + 40 = 0$
39867	Solve Using the Quadratic Formula	2x^2+5x=8	$2 x^{2} + 5 x = 8$
39868	Find the Inverse	[[1,5,2],[1,1,7],[0,-3,4]]	$[\begin{array}{c} 1 & 5 & 2 \\ 1 & 1 & 7 \\ 0 & - 3 & 4 \end{array}]$
39869	Solve Using the Quadratic Formula	2x^2+6x-216=0	$2 x^{2} + 6 x - 216 = 0$
39870	Solve Using the Quadratic Formula	2x^2+26x+156=0	$2 x^{2} + 26 x + 156 = 0$
39871	Solve Using the Quadratic Formula	2x^2-3x=9	$2 x^{2} - 3 x = 9$
39872	Find the Inverse	[[1,1],[0,1]]	$[\begin{array}{c} 1 & 1 \\ 0 & 1 \end{array}]$
39873	Solve Using the Quadratic Formula	2x^2-3x-35=0	$2 x^{2} - 3 x - 35 = 0$
39874	Solve Using the Quadratic Formula	2x^2-512=0	$2 x^{2} - 512 = 0$
39875	Solve Using the Quadratic Formula	2x^2-8x+9=0	$2 x^{2} - 8 x + 9 = 0$
39876	Find the Inverse	[[11,5],[2,1]]	$[\begin{array}{c} 11 & 5 \\ 2 & 1 \end{array}]$
39877	Find the Inverse	[[9,3],[33,11]]	$[\begin{array}{c} 9 & 3 \\ 33 & 11 \end{array}]$
39878	Solve Using the Quadratic Formula	-12x^2+600x=0	$- 12 x^{2} + 600 x = 0$
39879	Solve Using the Quadratic Formula	2(x-3)^2=-2x+9	$2 {(x - 3)}^{2} = - 2 x + 9$
39880	Solve Using the Quadratic Formula	3x^2+9x-2=0	$3 x^{2} + 9 x - 2 = 0$
39881	Find the Inverse	[[2,7],[4,3]]	$[\begin{array}{c} 2 & 7 \\ 4 & 3 \end{array}]$
39882	Solve Using the Quadratic Formula	3x^2+60=0	$3 x^{2} + 60 = 0$
39883	Solve Using the Quadratic Formula	3x^2+6x=-1	$3 x^{2} + 6 x = - 1$
39884	Solve Using the Quadratic Formula	3x^2+13x=10	$3 x^{2} + 13 x = 10$
39885	Verify the Identity	cos(x)cos(y)=1/2(sin(x+y)+sin(x-y))	$\cos (x) \cos (y) = \frac{1}{2} (\sin (x + y) + \sin (x - y))$
39886	Solve Using the Quadratic Formula	3x^2-18=0	$3 x^{2} - 18 = 0$
39887	Solve Using the Quadratic Formula	3x^2-14x=5	$3 x^{2} - 14 x = 5$
39888	Verify the Identity	cos(x)+sin(x)=( square root of 3+1)/2	$\cos (x) + \sin (x) = \frac{\sqrt{3} + 1}{2}$
39889	Solve Using the Quadratic Formula	3x^2-11x=20	$3 x^{2} - 11 x = 20$
39890	Solve Using the Quadratic Formula	3x^2-4x-6=0	$3 x^{2} - 4 x - 6 = 0$
39891	Solve Using the Quadratic Formula	3x^2-5x=12	$3 x^{2} - 5 x = 12$
39892	Arrange in Order	11/12 , 7/10 , 5/6	$\frac{11}{12}$ , $\frac{7}{10}$ , $\frac{5}{6}$
39893	Arrange in Order	3410^2 , 1.210^7 , 8.11*10^-3 , 435	$34 \cdot 10^{2}$ , $1.2 \cdot 10^{7}$ , $8.11 \cdot 10^{- 3}$ , $435$
39894	Solve Using the Quadratic Formula	3x^2-45=0	$3 x^{2} - 45 = 0$
39895	Arrange in Order	-4.75 , -9/2 , -5	$- 4.75$ , $- \frac{9}{2}$ , $- 5$
39896	Solve Using the Quadratic Formula	-3n(2n-5)=0	$- 3 n (2 n - 5) = 0$
39897	Solve Using the Quadratic Formula	36s^2+84s+49=0	$36 s^{2} + 84 s + 49 = 0$
39898	Solve Using the Quadratic Formula	3x^2-7x=20	$3 x^{2} - 7 x = 20$
39899	Solve Using the Quadratic Formula	3x^2-x-5=0	$3 x^{2} - x - 5 = 0$
39900	Find the Linear Correlation Coefficient	table[[x,y],[2,15],[6,13],[7,9]]	$\begin{array}{c} x & y \\ 2 & 15 \\ 6 & 13 \\ 7 & 9 \end{array}$