Mathway | Popular Problems

Popular Problems

Rank	Topic	Problem	Formatted Problem
147001	Find the Inverse	[[6,0],[0,6]]	$[\begin{array}{c} 6 & 0 \\ 0 & 6 \end{array}]$
147002	Find the Inverse	[[6,3],[8,6]]	$[\begin{array}{c} 6 & 3 \\ 8 & 6 \end{array}]$
147003	Find the Mean	1/3 , 2/3 , 1 , 4/3 , 5/3	$\frac{1}{3}$ , $\frac{2}{3}$ , $1$ , $\frac{4}{3}$ , $\frac{5}{3}$
147004	Find the Mean	62 , 21 , 64 , 268 , 93 , 108 , 114 , 33 , 52 , 64	$62$ , $21$ , $64$ , $268$ , $93$ , $108$ , $114$ , $33$ , $52$ , $64$
147005	Find the Mean	6.9 , 6 , 6.6 , 3.8 , 6 , 6.1	$6.9$ , $6$ , $6.6$ , $3.8$ , $6$ , $6.1$
147006	Find the Mean	600 , 612 , 614 , 615 , 620 , 630 , 643 , 644 , 656	$600$ , $612$ , $614$ , $615$ , $620$ , $630$ , $643$ , $644$ , $656$
147007	Find the Mean	7.7 , 6.8 , 7.4 , 4.6 , 6.8 , 6.9	$7.7$ , $6.8$ , $7.4$ , $4.6$ , $6.8$ , $6.9$
147008	Find the Mean	79 , 81 , 67 , 69 , 72 , 65 , 83 , 72 , 71 , 66 , 71 , 76 , 78 , 87 , 73	$79$ , $81$ , $67$ , $69$ , $72$ , $65$ , $83$ , $72$ , $71$ , $66$ , $71$ , $76$ , $78$ , $87$ , $73$
147009	Find the Mean	8 , 6 , 4 , 2 , 0	$8$ , $6$ , $4$ , $2$ , $0$
147010	Find the Mean	4 , 12 , 36 , 108	$4$ , $12$ , $36$ , $108$
147011	Find the Mean	48 , 12 , 11 , 45 , 48 , 48 , 43 , 32	$48$ , $12$ , $11$ , $45$ , $48$ , $48$ , $43$ , $32$
147012	Find the Mean	5 , 3 , 2 , 6 , 5 , 2 , 5	$5$ , $3$ , $2$ , $6$ , $5$ , $2$ , $5$
147013	Find the Mean	6 , 4 , 5 , 7 , 6 , 7 , 5 , 6	$6$ , $4$ , $5$ , $7$ , $6$ , $7$ , $5$ , $6$
147014	Find the Mean	6.3 , 5.4 , 6 , 3.2 , 5.4 , 5.5	$6.3$ , $5.4$ , $6$ , $3.2$ , $5.4$ , $5.5$
147015	Find the Mean	5.8 , 4.9 , 5.5 , 2.7 , 4.9 , 5	$5.8$ , $4.9$ , $5.5$ , $2.7$ , $4.9$ , $5$
147016	Find the Mean	51 , 48 , 47 , 46 , 45 , 43 , 41 , 40 , 40 , 39	$51$ , $48$ , $47$ , $46$ , $45$ , $43$ , $41$ , $40$ , $40$ , $39$
147017	Find the Mean	80 , 82 , 68 , 70 , 73 , 66 , 84 , 73 , 72 , 67 , 72 , 77 , 79 , 88 , 74	$80$ , $82$ , $68$ , $70$ , $73$ , $66$ , $84$ , $73$ , $72$ , $67$ , $72$ , $77$ , $79$ , $88$ , $74$
147018	Find the Mean	190 , 420 , 270 , 300 , 420	$190$ , $420$ , $270$ , $300$ , $420$
147019	Find the Mean	18 , 16 , 19 , 15 , 17	$18$ , $16$ , $19$ , $15$ , $17$
147020	Find the Mean	24 , 35 , 18 , 20 , 17 , 30	$24$ , $35$ , $18$ , $20$ , $17$ , $30$
147021	Find the Mean	32 , 33 , 22 , 85 , 58	$32$ , $33$ , $22$ , $85$ , $58$
147022	Find the Mean	36 , 45 , 52 , 40 , 38 , 41 , 50 , 48	$36$ , $45$ , $52$ , $40$ , $38$ , $41$ , $50$ , $48$
147023	Find the Mean	14 , 9 , 20 , 5 , 17 , 13	$14$ , $9$ , $20$ , $5$ , $17$ , $13$
147024	Find the Maximum/Minimum Value	-x^2-10x-30	$- x^{2} - 10 x - 30$
147025	Find the Maximum/Minimum Value	-3x^2+30x-6	$- 3 x^{2} + 30 x - 6$
147026	Find the Maximum/Minimum Value	30t-5t^2	$30 t - 5 t^{2}$
147027	Find the Maximum/Minimum Value	2x^2+4x-6	$2 x^{2} + 4 x - 6$
147028	Find the Maximum/Minimum Value	18x^2-36x+10	$18 x^{2} - 36 x + 10$
147029	Find the Maximum/Minimum Value	-16t^2+20t+6	$- 16 t^{2} + 20 t + 6$
147030	Find the Maximum/Minimum Value	-1/5x^2+4x+1	$- \frac{1}{5} x^{2} + 4 x + 1$
147031	Find the Maximum/Minimum Value	x^3+5x^2-3x	$x^{3} + 5 x^{2} - 3 x$
147032	Find the Maximum/Minimum Value	x^2-4x-1	$x^{2} - 4 x - 1$
147033	Plot	x=3	$x = 3$
147034	Plot	x^2-9x+14>0	$x^{2} - 9 x + 14 > 0$
147035	Plot	x-5/x<4	$x - \frac{5}{x} < 4$
147036	Plot	y=3x+1	$y = 3 x + 1$
147037	Plot	y=f(1/2x)	$y = f (\frac{1}{2} x)$
147038	Plot	y>-3	$y > - 3$
147039	Determine if Injective (One to One)	f(x)=4x-4	$f (x) = 4 x - 4$
147040	Determine if Injective (One to One)	f(x)=2.7^x	$f (x) = {2.7}^{x}$
147041	Determine if Injective (One to One)	f(x)=x^2+4	$f (x) = x^{2} + 4$
147042	Determine if Injective (One to One)	f(x)=7x-3	$f (x) = 7 x - 3$
147043	Plot	\|y\|>6	$\| y \| > 6$
147044	Plot	\|5x-13\|<=5	$\| 5 x - 13 \| \leq 5$
147045	Plot	8a-15>73	$8 a - 15 > 73$
147046	Plot	2y<-12x+4y<-6x+4	$2 y < - 12 x + 4 y < - 6 x + 4$
147047	Plot	1/2n+3<5	$\frac{1}{2} n + 3 < 5$
147048	Plot	square root of 5	$\sqrt{5}$
147049	Expand the Trigonometric Expression	log base 2 of 4x^2+8x+4	$\log_{2} (4 x^{2} + 8 x + 4)$
147050	Expand the Trigonometric Expression	-2wz(6w^2-4wz+3z^2)	$- 2 w z (6 w^{2} - 4 w z + 3 z^{2})$
147051	Expand the Trigonometric Expression	-3(2y+x)	$- 3 (2 y + x)$
147052	Write with Rational (Fractional) Exponents	(5x^(-3/2)y^(4/3))^-6	${(5 x^{- \frac{3}{2}} y^{\frac{4}{3}})}^{- 6}$
147053	Write with Rational (Fractional) Exponents	cube root of 21^5	$\sqrt[3]{21^{5}}$
147054	Write with Rational (Fractional) Exponents	cube root of 3/2	$\sqrt[3]{\frac{3}{2}}$
147055	Write with Rational (Fractional) Exponents	cube root of x^4y^7	$\sqrt[3]{x^{4} y^{7}}$
147056	Write with Rational (Fractional) Exponents	fifth root of 243	$\sqrt[5]{243}$
147057	Write with Rational (Fractional) Exponents	27 2/3	$27 \frac{2}{3}$
147058	Write with Rational (Fractional) Exponents	64^(1/3)	$64^{\frac{1}{3}}$
147059	Write with Rational (Fractional) Exponents	eighth root of 7^7	$\sqrt[8]{7^{7}}$
147060	Expand the Trigonometric Expression	(2x+3y)^4	${(2 x + 3 y)}^{4}$
147061	Determine the Type of Number	-3/5	$- \frac{3}{5}$
147062	Determine the Type of Number	- square root of 7	$- \sqrt{7}$
147063	Solve by Addition/Elimination	x+3y=9-2x+2y=6	$x + 3 y = 9 - 2 x + 2 y = 6$
147064	Solve by Addition/Elimination	-x+4y=8x-4y=8	$- x + 4 y = 8 x - 4 y = 8$
147065	Solve by Addition/Elimination	x+6y=10x+5y=9	$x + 6 y = 10 x + 5 y = 9$
147066	Solve by Addition/Elimination	-x+5y=-13x-15y=3	$- x + 5 y = - 13 x - 15 y = 3$
147067	Solve by Addition/Elimination	-x+5y=-3-4x+8y=-7	$- x + 5 y = - 3 - 4 x + 8 y = - 7$
147068	Solve by Addition/Elimination	x+y=3x-y=-1	$x + y = 3 x - y = - 1$
147069	Solve by Addition/Elimination	x+y=4 2x+3y=9	$x + y = 4$ $2 x + 3 y = 9$
147070	Solve by Addition/Elimination	x+y=14x=6y	$x + y = 14 x = 6 y$
147071	Solve by Addition/Elimination	x+y=9x=2y	$x + y = 9 x = 2 y$
147072	Solve by Addition/Elimination	x-y=11 2x+y=19	$x - y = 11$ $2 x + y = 19$
147073	Solve by Addition/Elimination	x-y=1x+y=-9	$x - y = 1 x + y = - 9$
147074	Solve by Addition/Elimination	y=0.30m+30 y=0.10m+90	$y = 0.3 m + 30$ $y = 0.1 m + 90$
147075	Solve by Addition/Elimination	y=6xy=4x	$y = 6 x y = 4 x$
147076	Solve by Addition/Elimination	-9y+4x-11=0 -3y+10x+31=0	$- 9 y + 4 x - 11 = 0$ $- 3 y + 10 x + 31 = 0$
147077	Solve by Addition/Elimination	x+2y=106x+12y=60	$x + 2 y = 106 x + 12 y = 60$
147078	Solve by Addition/Elimination	-9y+4x-20=0 , -7y+16x-80=0	$- 9 y + 4 x - 20 = 0$ , $- 7 y + 16 x - 80 = 0$
147079	Solve by Addition/Elimination	8x-3y=-165x+2y=-41	$8 x - 3 y = - 165 x + 2 y = - 41$
147080	Solve by Addition/Elimination	8x+14y=4 -6x-7y=-10	$8 x + 14 y = 4$ $- 6 x - 7 y = - 10$
147081	Solve by Addition/Elimination	-6x+5y=-712x-10y=14	$- 6 x + 5 y = - 712 x - 10 y = 14$
147082	Solve by Addition/Elimination	1/3x+y=8/31/6x+1/5y=11/6	$\frac{1}{3} x + y = \frac{8}{3} \frac{1}{6} x + \frac{1}{5} y = \frac{11}{6}$
147083	Find the LCD	4n-1/7=5/7	$4 n - \frac{1}{7} = \frac{5}{7}$
147084	Solve by Addition/Elimination	1/5x+y=6/5 , 1/10x+1/3y=7/10	$\frac{1}{5} x + y = \frac{6}{5}$ , $\frac{1}{10} x + \frac{1}{3} y = \frac{7}{10}$
147085	Solve by Addition/Elimination	10x-12y=1615x-18y=24	$10 x - 12 y = 1615 x - 18 y = 24$
147086	Solve by Addition/Elimination	-12x-15y=-9-4x-5y=-3	$- 12 x - 15 y = - 9 - 4 x - 5 y = - 3$
147087	Solve by Addition/Elimination	2x+6y-z=1-x+2y+9z=-194x+3y-7z=25	$2 x + 6 y - z = 1 - x + 2 y + 9 z = - 194 x + 3 y - 7 z = 25$
147088	Solve by Addition/Elimination	-2x+7y=10x-3y=-3	$- 2 x + 7 y = 10 x - 3 y = - 3$
147089	Solve by Addition/Elimination	2x+y=-14x-y=-11	$2 x + y = - 14 x - y = - 11$
147090	Solve by Addition/Elimination	-2x+9y=-5-8x+9y=4	$- 2 x + 9 y = - 5 - 8 x + 9 y = 4$
147091	Solve by Addition/Elimination	2x+3y=18 5x-y=11	$2 x + 3 y = 18$ $5 x - y = 11$
147092	Solve by Addition/Elimination	2x+4y=10 3x-4y=5	$2 x + 4 y = 10$ $3 x - 4 y = 5$
147093	Solve by Addition/Elimination	2x-3y=165x-3y=13	$2 x - 3 y = 165 x - 3 y = 13$
147094	Solve by Addition/Elimination	3x-4y=125x+8y=9	$3 x - 4 y = 125 x + 8 y = 9$
147095	Solve by Addition/Elimination	4x+3y=196x-5y=-57	$4 x + 3 y = 196 x - 5 y = - 57$
147096	Solve by Addition/Elimination	4x+3y=-1 5x+4y=1	$4 x + 3 y = - 1$ $5 x + 4 y = 1$
147097	Solve by Addition/Elimination	4x+15y=13 3x+5y=16	$4 x + 15 y = 13$ $3 x + 5 y = 16$
147098	Solve by Addition/Elimination	4x+2y=48x+4y=0	$4 x + 2 y = 48 x + 4 y = 0$
147099	Solve by Addition/Elimination	5x-3y=6 6x-4y=2	$5 x - 3 y = 6$ $6 x - 4 y = 2$
147100	Solve by Addition/Elimination	5x+6y=-10 , 5x+3y=20	$5 x + 6 y = - 10$ , $5 x + 3 y = 20$