Mathway | Popular Problems

Popular Problems

Rank	Topic	Problem	Formatted Problem
148501	Solve by Addition/Elimination	2x-3y+z=4-x+5y-z=-15x-4y+2z=11	$2 x - 3 y + z = 4 - x + 5 y - z = - 15 x - 4 y + 2 z = 11$
148502	Solve by Addition/Elimination	-2x-7y=30 7x+4y=18	$- 2 x - 7 y = 30$ $7 x + 4 y = 18$
148503	Solve by Addition/Elimination	2x-8y=6 , 3x-12y=9	$2 x - 8 y = 6$ , $3 x - 12 y = 9$
148504	Solve by Addition/Elimination	2x-4y=10 , 3x-6y=15	$2 x - 4 y = 10$ , $3 x - 6 y = 15$
148505	Solve by Addition/Elimination	2x-5y=22 2x-3y=6	$2 x - 5 y = 22$ $2 x - 3 y = 6$
148506	Solve by Addition/Elimination	3x+2y=13 x+5y=13	$3 x + 2 y = 13$ $x + 5 y = 13$
148507	Solve by Addition/Elimination	36h-49i=-46012h+25i=508	$36 h - 49 i = - 46012 h + 25 i = 508$
148508	Solve by Addition/Elimination	2x-y=4x-y=0	$2 x - y = 4 x - y = 0$
148509	Solve by Addition/Elimination	4b+13c=-2412b-5c=16	$4 b + 13 c = - 2412 b - 5 c = 16$
148510	Solve by Addition/Elimination	3x-8=-4y+z , 2z=5y+4x-8 , x-3y+2z=1	$3 x - 8 = - 4 y + z$ , $2 z = 5 y + 4 x - 8$ , $x - 3 y + 2 z = 1$
148511	Solve by Addition/Elimination	3x-8y=7 , -3x+13y=-17	$3 x - 8 y = 7$ , $- 3 x + 13 y = - 17$
148512	Solve by Addition/Elimination	3x-5y=-22x+y=3	$3 x - 5 y = - 22 x + y = 3$
148513	Solve by Addition/Elimination	3x-5y=75x-2y=-1	$3 x - 5 y = 75 x - 2 y = - 1$
148514	Solve by Addition/Elimination	3x-5y=-79x+7y=89	$3 x - 5 y = - 79 x + 7 y = 89$
148515	Solve by Addition/Elimination	4x+5y=15-4x+6y=7	$4 x + 5 y = 15 - 4 x + 6 y = 7$
148516	Solve by Addition/Elimination	4x+2y=8x+4y=9	$4 x + 2 y = 8 x + 4 y = 9$
148517	Solve by Addition/Elimination	-4=8y+4x-12y-10x=2	$- 4 = 8 y + 4 x - 12 y - 10 x = 2$
148518	Solve by Addition/Elimination	3x+9y+3=6y=2x+26	$3 x + 9 y + 3 = 6 y = 2 x + 26$
148519	Solve by Addition/Elimination	-3x+7y=2-2x-3y=-4	$- 3 x + 7 y = 2 - 2 x - 3 y = - 4$
148520	Solve by Addition/Elimination	3x+9y=21-3x-4y=4	$3 x + 9 y = 21 - 3 x - 4 y = 4$
148521	Solve by Addition/Elimination	3x-15y=6 2x-10y=4	$3 x - 15 y = 6$ $2 x - 10 y = 4$
148522	Solve by Addition/Elimination	-3x-2y=-57x+6y=1	$- 3 x - 2 y = - 57 x + 6 y = 1$
148523	Solve by Addition/Elimination	3x+2y=-1x-2y=11	$3 x + 2 y = - 1 x - 2 y = 11$
148524	Solve by Addition/Elimination	3x+2y=2-2x+y=8	$3 x + 2 y = 2 - 2 x + y = 8$
148525	Solve by Addition/Elimination	3x+5y=21-5x+3y=-1	$3 x + 5 y = 21 - 5 x + 3 y = - 1$
148526	Solve by Addition/Elimination	3x+4y=96x+8y=0	$3 x + 4 y = 96 x + 8 y = 0$
148527	Solve by Addition/Elimination	3x+4y=4 6x+4y=16	$3 x + 4 y = 4$ $6 x + 4 y = 16$
148528	Solve by Addition/Elimination	63x-9y=351-8x+9y=-21	$63 x - 9 y = 351 - 8 x + 9 y = - 21$
148529	Solve by Addition/Elimination	-5y+3x=3 -8y+9x=-12	$- 5 y + 3 x = 3$ $- 8 y + 9 x = - 12$
148530	Solve by Addition/Elimination	5x-y=-1-5x+y=1	$5 x - y = - 1 - 5 x + y = 1$
148531	Solve by Addition/Elimination	5x-y=-1y=-5x	$5 x - y = - 1 y = - 5 x$
148532	Solve by Addition/Elimination	5x+y=-17 , 7x-3y=-59	$5 x + y = - 17$ , $7 x - 3 y = - 59$
148533	Solve by Addition/Elimination	5x+y=3 , 7x-3y=-31	$5 x + y = 3$ , $7 x - 3 y = - 31$
148534	Solve by Addition/Elimination	5x+y=-3 , 7x-3y=-35	$5 x + y = - 3$ , $7 x - 3 y = - 35$
148535	Solve by Addition/Elimination	5x+y=-13 , 7x-3y=-49	$5 x + y = - 13$ , $7 x - 3 y = - 49$
148536	Solve by Addition/Elimination	4x-y+3z=-23x+5y-z=15-2x+y+4z=14	$4 x - y + 3 z = - 23 x + 5 y - z = 15 - 2 x + y + 4 z = 14$
148537	Solve by Addition/Elimination	4x-7y=-212x-21y=-42	$4 x - 7 y = - 212 x - 21 y = - 42$
148538	Solve by Addition/Elimination	5x+2y=-6 3x-2y=22	$5 x + 2 y = - 6$ $3 x - 2 y = 22$
148539	Solve by Addition/Elimination	5x+3y=122x-5y=-20	$5 x + 3 y = 122 x - 5 y = - 20$
148540	Solve by Addition/Elimination	4x-3y=175x+4y=60	$4 x - 3 y = 175 x + 4 y = 60$
148541	Solve by Addition/Elimination	-4x-3y=-27-4x+4y=8	$- 4 x - 3 y = - 27 - 4 x + 4 y = 8$
148542	Solve by Addition/Elimination	4x=5y+10z=y-x*3x+4y=20+z	$4 x = 5 y + 10 z = y - x \cdot 3 x + 4 y = 20 + z$
148543	Solve by Addition/Elimination	4x+6y+2=9y=6x+21	$4 x + 6 y + 2 = 9 y = 6 x + 21$
148544	Determine if Injective (One to One)	f(x)=4x+4	$f (x) = 4 x + 4$
148545	Determine if Injective (One to One)	f(x)=4x+5	$f (x) = 4 x + 5$
148546	Determine if Injective (One to One)	f(x)=x^3+8	$f (x) = x^{3} + 8$
148547	Expand the Trigonometric Expression	1+cos(18x)	$1 + \cos (18 x)$
148548	Expand the Trigonometric Expression	(x+y)(x-y)	$(x + y) (x - y)$
148549	Expand the Trigonometric Expression	5p(p-3)	$5 p (p - 3)$
148550	Write with Rational (Fractional) Exponents	(3a^2b^3c^5)/(8x^4y^3z)	$\frac{3 a^{2} b^{3} c^{5}}{8 x^{4} y^{3} z}$
148551	Write with Rational (Fractional) Exponents	(3^-6)^-5	${(3^{- 6})}^{- 5}$
148552	Write with Rational (Fractional) Exponents	(6^-4*8^-7)^-9	${(6^{- 4} \cdot 8^{- 7})}^{- 9}$
148553	Write with Rational (Fractional) Exponents	(12 root of 2)^5	${(\sqrt[12]{2})}^{5}$
148554	Write with Rational (Fractional) Exponents	(1/16)^-4	${(\frac{1}{16})}^{- 4}$
148555	Write with Rational (Fractional) Exponents	cube root of 64a^16	$\sqrt[3]{64 a^{16}}$
148556	Write with Rational (Fractional) Exponents	cube root of 27y^15	$\sqrt[3]{27 y^{15}}$
148557	Write with Rational (Fractional) Exponents	(x-5)^(2/3)=49	${(x - 5)}^{\frac{2}{3}} = 49$
148558	Write with Rational (Fractional) Exponents	(y^(5/4))/(y^(1/4))	$\frac{y^{\frac{5}{4}}}{y^{\frac{1}{4}}}$
148559	Write with Rational (Fractional) Exponents	(9^5)/(9^-2)	$\frac{9^{5}}{9^{- 2}}$
148560	Write with Rational (Fractional) Exponents	fourth root of f^2g^6	$\sqrt[4]{f^{2} g^{6}}$
148561	Write with Rational (Fractional) Exponents	square root of 8^3	$\sqrt{8^{3}}$
148562	Write with Rational (Fractional) Exponents	11 square root of 10^8	$11 \sqrt{10^{8}}$
148563	Write with Rational (Fractional) Exponents	3x^(2/3)+1	$3 x^{\frac{2}{3}} + 1$
148564	Write with Rational (Fractional) Exponents	eighth root of 10a^7b^13	$\sqrt[8]{10 a^{7} b^{13}}$
148565	Write with Rational (Fractional) Exponents	ninth root of a^4	$\sqrt[9]{a^{4}}$
148566	Write with Rational (Fractional) Exponents	n root of a^m	$\sqrt[n]{a^{m}}$
148567	Find the Midpoint	(-5,-3) , (7,-1)	$(- 5, - 3) (7, - 1)$
148568	Expand the Trigonometric Expression	(a^x-b^y)(a^x+b^y)	$(a^{x} - b^{y}) (a^{x} + b^{y})$
148569	Expand the Trigonometric Expression	(k^2-y^2)/(3k+3y)	$\frac{k^{2} - y^{2}}{3 k + 3 y}$
148570	Expand the Trigonometric Expression	(2x-y)(4x^2+2xy+y^2)	$(2 x - y) (4 x^{2} + 2 x y + y^{2})$
148571	Expand the Trigonometric Expression	(3a+2c)(9a^2-6ac+4c^2)	$(3 a + 2 c) (9 a^{2} - 6 a c + 4 c^{2})$
148572	Expand the Trigonometric Expression	(2x+y^2)^5	${(2 x + y^{2})}^{5}$
148573	Find the Maximum/Minimum Value	x square root of 4-x	$x \sqrt{4 - x}$
148574	Find the Maximum/Minimum Value	x^2+12x+11	$x^{2} + 12 x + 11$
148575	Find the Maximum/Minimum Value	x^2-1	$x^{2} - 1$
148576	Find the Maximum/Minimum Value	-4.9t^2+24.5t+1	$- 4.9 t^{2} + 24.5 t + 1$
148577	Find the Maximum/Minimum Value	4x^2+4x-8	$4 x^{2} + 4 x - 8$
148578	Find the Maximum/Minimum Value	-5x^2+100x+4000	$- 5 x^{2} + 100 x + 4000$
148579	Find the Maximum/Minimum Value	3x^2-12x-4	$3 x^{2} - 12 x - 4$
148580	Find the Maximum/Minimum Value	3x^2+6x-5	$3 x^{2} + 6 x - 5$
148581	Find the Maximum/Minimum Value	-3x^2+24x-46	$- 3 x^{2} + 24 x - 46$
148582	Find the Maximum/Minimum Value	-3+4cos((5pi)/6(x+4))	$- 3 + 4 \cos (\frac{5 π}{6} (x + 4))$
148583	Find the Maximum/Minimum Value	-3x^2+12x-2	$- 3 x^{2} + 12 x - 2$
148584	Find the Maximum/Minimum Value	-2x^2+20x-53	$- 2 x^{2} + 20 x - 53$
148585	Find the Maximum/Minimum Value	2x^2-16x+35	$2 x^{2} - 16 x + 35$
148586	Find the Maximum/Minimum Value	-2x^2+8x+11	$- 2 x^{2} + 8 x + 11$
148587	Find the Maximum/Minimum Value	2x^2+12x+14	$2 x^{2} + 12 x + 14$
148588	Find the Maximum/Minimum Value	x^3+4x^2-5x	$x^{3} + 4 x^{2} - 5 x$
148589	Find the Maximum/Minimum Value	x^3-7x-6	$x^{3} - 7 x - 6$
148590	Find the Maximum/Minimum Value	x^2-5x+6	$x^{2} - 5 x + 6$
148591	Determine the Type of Number	fourth root of -256	$\sqrt[4]{- 256}$
148592	Determine the Type of Number	pi/4	$\frac{π}{4}$
148593	Determine the Type of Number	-19	$- 19$
148594	Determine the Type of Number	0.4	$0.4$
148595	Determine the Type of Number	25747	$25747$
148596	Determine the Type of Number	42	$42$
148597	Determine the Type of Number	square root of 150	$\sqrt{150}$
148598	Determine the Type of Number	square root of 200	$\sqrt{200}$
148599	Determine the Type of Number	square root of 48	$\sqrt{48}$
148600	Identify the Conic	x^2+y^2-4x+8y-16=0	$x^{2} + y^{2} - 4 x + 8 y - 16 = 0$