Mathway | Popular Problems

Popular Problems

Rank	Topic	Problem	Formatted Problem
27701	Solve by Graphing	x-y=7 , 3x+y=9	$x - y = 7$ , $3 x + y = 9$
27702	Solve by Graphing	y=x^3-2x^2+x-5 , y=-x^2+7x-5	$y = x^{3} - 2 x^{2} + x - 5$ , $y = - x^{2} + 7 x - 5$
27703	Solve by Graphing	y=1/2x-4 , y=3/2x+12 , y=12 , y=1/3x-4	$y = \frac{1}{2} x - 4$ , $y = \frac{3}{2} x + 12$ , $y = 12$ , $y = \frac{1}{3} x - 4$
27704	Solve by Graphing	y=1/3x-1 , -3x+y=7	$y = \frac{1}{3} x - 1$ , $- 3 x + y = 7$
27705	Solve by Graphing	y=1/4x , y=-1/4x	$y = \frac{1}{4} x$ , $y = - \frac{1}{4} x$
27706	Solve by Graphing	y=2/3x-1 , y=-x+4	$y = \frac{2}{3} x - 1$ , $y = - x + 4$
27707	Solve by Graphing	y=x^2+5x-9 , y=-x^2+19x-33	$y = x^{2} + 5 x - 9$ , $y = - x^{2} + 19 x - 33$
27708	Solve by Graphing	y=x^2-6x-2 , y=x^2-26	$y = x^{2} - 6 x - 2$ , $y = x^{2} - 26$
27709	Solve by Graphing	y=x^3 , y=4x	$y = x^{3}$ , $y = 4 x$
27710	Solve by Graphing	y=0.917x+12.001 , y=0.255x+11.528	$y = 0.917 x + 12.001$ , $y = 0.255 x + 11.528$
27711	Solve by Graphing	y=22x-2x^4 , x=-1	$y = 22 x - 2 x^{4}$ , $x = - 1$
27712	Solve by Graphing	y=2x , x+y=3	$y = 2 x$ , $x + y = 3$
27713	Solve by Graphing	y=2x+2 , 5x+y=5	$y = 2 x + 2$ , $5 x + y = 5$
27714	Solve by Graphing	y=2x-5 , y=-4x+1	$y = 2 x - 5$ , $y = - 4 x + 1$
27715	Solve by Graphing	y=-3x+3 , 8x+y=8	$y = - 3 x + 3$ , $8 x + y = 8$
27716	Solve by Graphing	y=3x-2 , y=-2x-3	$y = 3 x - 2$ , $y = - 2 x - 3$
27717	Solve by Graphing	y=3x-3 , 1/2x-y=-2	$y = 3 x - 3$ , $\frac{1}{2} x - y = - 2$
27718	Solve by Graphing	y=-3x-3 , y=x+5	$y = - 3 x - 3$ , $y = x + 5$
27719	Solve by Graphing	y=5x^3 , y=-5x^3	$y = 5 x^{3}$ , $y = - 5 x^{3}$
27720	Solve by Graphing	y=x+1 , y=-x-9	$y = x + 1$ , $y = - x - 9$
27721	Solve by Graphing	y=x-5 , y=3-x	$y = x - 5$ , $y = 3 - x$
27722	Find the Constant of Variation	x=-1/9 , y=1	$x = - \frac{1}{9}$ , $y = 1$
27723	Find the Constant of Variation	x=0 , y=2	$x = 0$ , $y = 2$
27724	Find the Constant of Variation	x=1 , y=3	$x = 1$ , $y = 3$
27725	Find the Constant of Variation	x=100 , y=2	$x = 100$ , $y = 2$
27726	Find the Constant of Variation	x=-20 , y=1.5	$x = - 20$ , $y = 1.5$
27727	Find the Constant of Variation	x=3(4) , y=2-4	$x = 3 (4)$ , $y = 2 - 4$
27728	Find the Constant of Variation	x=3 , y=1	$x = 3$ , $y = 1$
27729	Find the Constant of Variation	x=4 , y=4	$x = 4$ , $y = 4$
27730	Find the Constant of Variation	x=4 , y=-9	$x = 4$ , $y = - 9$
27731	Find the Constant of Variation	x=-8 , y=-1	$x = - 8$ , $y = - 1$
27732	Find the Constant of Variation	y=0.52 , x=0.1	$y = 0.52$ , $x = 0.1$
27733	Find the Constant of Variation	y=0.66 , x=0.1	$y = 0.66$ , $x = 0.1$
27734	Find the Constant of Variation	y=1 , x=4	$y = 1$ , $x = 4$
27735	Find the Constant of Variation	y=12 , x=6	$y = 12$ , $x = 6$
27736	Find the Constant of Variation	y=2 , x=6	$y = 2$ , $x = 6$
27737	Find the Constant of Variation	y=4 , x=20	$y = 4$ , $x = 20$
27738	Find the Constant of Variation	y=48 , x=6	$y = 48$ , $x = 6$
27739	Find the Constant of Variation	y=5 , x=8	$y = 5$ , $x = 8$
27740	Solve Using a Matrix with Cramer's Rule	-(y-4)=x+9 , x-8/3y=0	$- (y - 4) = x + 9$ , $x - \frac{8}{3} y = 0$
27741	Solve Using a Matrix with Cramer's Rule	1/2x+1/3y=1 , 1/4x-1/6y=-3/2	$\frac{1}{2} x + \frac{1}{3} y = 1$ , $\frac{1}{4} x - \frac{1}{6} y = - \frac{3}{2}$
27742	Solve Using a Matrix with Cramer's Rule	1/2x+1/21y=221/2 , x-1/2y=-84	$\frac{1}{2} x + \frac{1}{21} y = \frac{221}{2}$ , $x - \frac{1}{2} y = - 84$
27743	Solve Using a Matrix with Cramer's Rule	1/2x+1/3y=1 , 1/4x-1/6y=-5/2	$\frac{1}{2} x + \frac{1}{3} y = 1$ , $\frac{1}{4} x - \frac{1}{6} y = - \frac{5}{2}$
27744	Solve Using a Matrix with Cramer's Rule	7/4x-9/4y-z=-6 , x-y-z=-5 , -5/4x+7/4y+z=1	$\frac{7}{4} x - \frac{9}{4} y - z = - 6$ , $x - y - z = - 5$ , $- \frac{5}{4} x + \frac{7}{4} y + z = 1$
27745	Solve Using a Matrix with Cramer's Rule	x^2+2y^2=9 , x^2+y^2=25	$x^{2} + 2 y^{2} = 9$ , $x^{2} + y^{2} = 25$
27746	Solve Using a Matrix with Cramer's Rule	x^2+3y^2+6y=12 , x/t=6	$x^{2} + 3 y^{2} + 6 y = 12$ , $\frac{x}{t} = 6$
27747	Solve Using a Matrix with Cramer's Rule	0.11x+0.08y=5400 , x+y=522.00	$0.11 x + 0.08 y = 5400$ , $x + y = 522$
27748	Solve Using a Matrix with Cramer's Rule	1.9v=3.2t , 1.9t-2.1v=2	$1.9 v = 3.2 t$ , $1.9 t - 2.1 v = 2$
27749	Solve Using a Matrix with Cramer's Rule	100x+130y+120z=1760 , 490x+590y+530z=8030 , 7x+9y+8z=106	$100 x + 130 y + 120 z = 1760$ , $490 x + 590 y + 530 z = 8030$ , $7 x + 9 y + 8 z = 106$
27750	Solve Using a Matrix with Cramer's Rule	10x+15x=2100 , 2x=155	$10 x + 15 x = 2100$ , $2 x = 155$
27751	Solve Using a Matrix with Cramer's Rule	10x+20y+30z=62780 , x+y+z=3256 , -x+y=151	$10 x + 20 y + 30 z = 62780$ , $x + y + z = 3256$ , $- x + y = 151$
27752	Solve Using a Matrix with Cramer's Rule	10x-3y+2z=15 , 19x-5y-z=12	$10 x - 3 y + 2 z = 15$ , $19 x - 5 y - z = 12$
27753	Solve Using a Matrix with Cramer's Rule	10x-7y=11 , 3x+2y=73	$10 x - 7 y = 11$ , $3 x + 2 y = 73$
27754	Solve Using a Matrix with Cramer's Rule	11x+15y+6z=180 , 5x+7y+22=74 , 4x+5y+22=61	$11 x + 15 y + 6 z = 180$ , $5 x + 7 y + 22 = 74$ , $4 x + 5 y + 22 = 61$
27755	Solve Using a Matrix with Cramer's Rule	12a+3y=15 , 2a-3y=13	$12 a + 3 y = 15$ , $2 a - 3 y = 13$
27756	Solve Using a Matrix with Cramer's Rule	13x+29y+4z=161 , 3x+7y+2z=51 , 5x+6y+2z=52	$13 x + 29 y + 4 z = 161$ , $3 x + 7 y + 2 z = 51$ , $5 x + 6 y + 2 z = 52$
27757	Solve Using a Matrix with Cramer's Rule	14x-4y=-1 , 20x+20y=14	$14 x - 4 y = - 1$ , $20 x + 20 y = 14$
27758	Solve Using a Matrix with Cramer's Rule	15x-3y=-1 , 12x+12y=10	$15 x - 3 y = - 1$ , $12 x + 12 y = 10$
27759	Solve Using a Matrix with Cramer's Rule	-15x-3y=-63 , 6x+y=26	$- 15 x - 3 y = - 63$ , $6 x + y = 26$
27760	Solve Using a Matrix with Cramer's Rule	-15x-3y=-66 , 6x+y=27	$- 15 x - 3 y = - 66$ , $6 x + y = 27$
27761	Solve Using a Matrix with Cramer's Rule	-15x-6y-z=-47 , -9x-10y-2z=1 , 12x+6y+z=32	$- 15 x - 6 y - z = - 47$ , $- 9 x - 10 y - 2 z = 1$ , $12 x + 6 y + z = 32$
27762	Solve Using a Matrix with Cramer's Rule	-15x-9y-z=-13 , -9x-15y-2z=25 , 12x+9y+z=4	$- 15 x - 9 y - z = - 13$ , $- 9 x - 15 y - 2 z = 25$ , $12 x + 9 y + z = 4$
27763	Solve Using a Matrix with Cramer's Rule	-16x-32y=20 , -8x+16y=-10	$- 16 x - 32 y = 20$ , $- 8 x + 16 y = - 10$
27764	Solve Using a Matrix with Cramer's Rule	16x-3y=23 , 2x+18y=58	$16 x - 3 y = 23$ , $2 x + 18 y = 58$
27765	Solve Using a Matrix with Cramer's Rule	16x-4y=-1 , 24x+24y=21	$16 x - 4 y = - 1$ , $24 x + 24 y = 21$
27766	Solve Using a Matrix with Cramer's Rule	21x+28y=14 , 9x+12y=6	$21 x + 28 y = 14$ , $9 x + 12 y = 6$
27767	Solve Using a Matrix with Cramer's Rule	-25x-3y+22=0 , 10x+y-9=0	$- 25 x - 3 y + 22 = 0$ , $10 x + y - 9 = 0$
27768	Solve Using a Matrix with Cramer's Rule	-25x-3y=13 , 10x+y=6	$- 25 x - 3 y = 13$ , $10 x + y = 6$
27769	Solve Using a Matrix with Cramer's Rule	-25x-3y=-63 , 10x+y=26	$- 25 x - 3 y = - 63$ , $10 x + y = 26$
27770	Solve Using a Matrix with Cramer's Rule	-27a+9b-3c+d=-150 , -a+b-c+d=-6 , 8a+4b+2c+d=15 , a+b+c+d=15	$- 27 a + 9 b - 3 c + d = - 150$ , $- a + b - c + d = - 6$ , $8 a + 4 b + 2 c + d = 15$ , $a + b + c + d = 15$
27771	Solve Using a Matrix with Cramer's Rule	2a-c=b+2 , 3b-4a+c=d-5 , a-3+d=c-4 , 5a+2b-c+d=1	$2 a - c = b + 2$ , $3 b - 4 a + c = d - 5$ , $a - 3 + d = c - 4$ , $5 a + 2 b - c + d = 1$
27772	Solve Using a Matrix with Cramer's Rule	-2w+10x-3y+z=-23 , -w+x-y+z=5 , w+x+y+z=-5 , 7w+7x+2y+z=-44	$- 2 w + 10 x - 3 y + z = - 23$ , $- w + x - y + z = 5$ , $w + x + y + z = - 5$ , $7 w + 7 x + 2 y + z = - 44$
27773	Solve Using a Matrix with Cramer's Rule	2w+3z=4 , 2w-x+2z=9 , 2y-x=-10 , 2x-4y=1	$2 w + 3 z = 4$ , $2 w - x + 2 z = 9$ , $2 y - x = - 10$ , $2 x - 4 y = 1$
27774	Solve Using a Matrix with Cramer's Rule	2w-x+4y-z=1 , w+x-y+2z=2 , 3w+0+3y+1z=3 , 3w-3x+9y-4z=0	$2 w - x + 4 y - z = 1$ , $w + x - y + 2 z = 2$ , $3 w + 0 + 3 y + 1 z = 3$ , $3 w - 3 x + 9 y - 4 z = 0$
27775	Solve Using a Matrix with Cramer's Rule	2a+b=-5 , 4a+2b=-10	$2 a + b = - 5$ , $4 a + 2 b = - 10$
27776	Solve Using a Matrix with Cramer's Rule	2x+2y=14 , 3x-2y=11	$2 x + 2 y = 14$ , $3 x - 2 y = 11$
27777	Solve Using a Matrix with Cramer's Rule	2x+2y=15 , x-y=6	$2 x + 2 y = 15$ , $x - y = 6$
27778	Solve Using a Matrix with Cramer's Rule	2x+2y=22 , 3x-3y=3	$2 x + 2 y = 22$ , $3 x - 3 y = 3$
27779	Solve Using a Matrix with Cramer's Rule	2x+2y=4 , 8x+7y=11	$2 x + 2 y = 4$ , $8 x + 7 y = 11$
27780	Solve Using a Matrix with Cramer's Rule	2x+2y=8 , x+5y=7 , 100x+120y+60z=440	$2 x + 2 y = 8$ , $x + 5 y = 7$ , $100 x + 120 y + 60 z = 440$
27781	Solve Using a Matrix with Cramer's Rule	2x+2y-3z=-3 , 4x-y-2z=0 , -10x-10y+15z=15	$2 x + 2 y - 3 z = - 3$ , $4 x - y - 2 z = 0$ , $- 10 x - 10 y + 15 z = 15$
27782	Solve Using a Matrix with Cramer's Rule	2x+2y-z=1 , x-4y+4z=5 , 3x-2y+4z=2	$2 x + 2 y - z = 1$ , $x - 4 y + 4 z = 5$ , $3 x - 2 y + 4 z = 2$
27783	Solve Using a Matrix with Cramer's Rule	2x+3y+z=10 , 2x-3y-3z=22 , 4x-2y+3z=-2	$2 x + 3 y + z = 10$ , $2 x - 3 y - 3 z = 22$ , $4 x - 2 y + 3 z = - 2$
27784	Solve Using a Matrix with Cramer's Rule	2x+3y+z=11 , x+2y+3z=8 , 3x+y+2z=10	$2 x + 3 y + z = 11$ , $x + 2 y + 3 z = 8$ , $3 x + y + 2 z = 10$
27785	Solve Using a Matrix with Cramer's Rule	2x+3y+z=2 , -x+2y+3z=-1 , -3x-3y+z=0	$2 x + 3 y + z = 2$ , $- x + 2 y + 3 z = - 1$ , $- 3 x - 3 y + z = 0$
27786	Solve by Graphing	y=-x-1 , x-3y=-5	$y = - x - 1$ , $x - 3 y = - 5$
27787	Solve by Graphing	y=-x-1 , y=3x-5	$y = - x - 1$ , $y = 3 x - 5$
27788	Solve by Graphing	y=-x-10 , 5x-4y=-32	$y = - x - 10$ , $5 x - 4 y = - 32$
27789	Solve by Graphing	y=x-2 , 5y=2x+5	$y = x - 2$ , $5 y = 2 x + 5$
27790	Solve by Graphing	y=x-2 , x-2y=4	$y = x - 2$ , $x - 2 y = 4$
27791	Solve by Graphing	y=x-3 , y=-x-1	$y = x - 3$ , $y = - x - 1$
27792	Solve by Graphing	y-2=4(x+3) , y-2=4x+12	$y - 2 = 4 (x + 3)$ , $y - 2 = 4 x + 12$
27793	Solve by Graphing	y-2x=0 , y=8x-3	$y - 2 x = 0$ , $y = 8 x - 3$
27794	Solve by Graphing	y-2x=5 , 2y-4x=10	$y - 2 x = 5$ , $2 y - 4 x = 10$
27795	Solve by Graphing	1/3x-y=7 , x-3y=21	$\frac{1}{3} x - y = 7$ , $x - 3 y = 21$
27796	Solve by Graphing	1/x+3/y=16/5 , 5/4+4/y=5	$\frac{1}{x} + \frac{3}{y} = \frac{16}{5}$ , $\frac{5}{4} + \frac{4}{y} = 5$
27797	Solve by Graphing	-7/2x-y=-18 , 8x^2-2y^3=0	$\frac{- 7}{2} x - y = - 18$ , $8 x^{2} - 2 y^{3} = 0$
27798	Solve by Graphing	x^2-y^2=25 , 2x+y=10	$x^{2} - y^{2} = 25$ , $2 x + y = 10$
27799	Solve by Graphing	x^2+y^2=25 , (x-8)^2+y^2=41	$x^{2} + y^{2} = 25$ , ${(x - 8)}^{2} + y^{2} = 41$
27800	Solve by Graphing	x^2+y^2=25 , 3x^2-6y=0	$x^{2} + y^{2} = 25$ , $3 x^{2} - 6 y = 0$