Mathway | Popular Problems

Popular Problems

Rank	Topic	Problem	Formatted Problem
22801	Find Where Undefined/Discontinuous	(1+x)^(-1/2)	${(1 + x)}^{- \frac{1}{2}}$
22802	Find Where Undefined/Discontinuous	(x-2)/((x-2)(x+3))	$\frac{x - 2}{(x - 2) (x + 3)}$
22803	Find Where Undefined/Discontinuous	((7z)^7)^2	${({(7 z)}^{7})}^{2}$
22804	Find Where Undefined/Discontinuous	((x^2)/( square root of x^2+5)- square root of x^2+5)/(x^2)	$\frac{\frac{x^{2}}{\sqrt{x^{2} + 5}} - \sqrt{x^{2} + 5}}{x^{2}}$
22805	Find Where Undefined/Discontinuous	(s^2+6s)/(s^2+10s+24)*(s-4)/(s+4)	$\frac{s^{2} + 6 s}{s^{2} + 10 s + 24} \cdot \frac{s - 4}{s + 4}$
22806	Find Where Undefined/Discontinuous	( square root of 1+4/(x^2))/(1+4/x)	$\frac{\sqrt{1 + \frac{4}{x^{2}}}}{1 + \frac{4}{x}}$
22807	Find Where Undefined/Discontinuous	( square root of 16m^10)/(4m^6)	$\frac{\sqrt{16 m^{10}}}{4 m^{6}}$
22808	Find Where Undefined/Discontinuous	( square root of 3x^4+4)/(9x^4-4x^3)	$\frac{\sqrt{3 x^{4} + 4}}{9 x^{4} - 4 x^{3}}$
22809	Find Where Undefined/Discontinuous	( cube root of x^3)/( fifth root of x^2)	$\frac{\sqrt[3]{x^{3}}}{\sqrt[5]{x^{2}}}$
22810	Find Where Undefined/Discontinuous	(x^2+18x+81)/(x^2-81)	$\frac{x^{2} + 18 x + 81}{x^{2} - 81}$
22811	Find Where Undefined/Discontinuous	(x^2+6+9)/(x^2-9)*(3x-9)/(x^2+2x-3)	$\frac{x^{2} + 6 + 9}{x^{2} - 9} \cdot \frac{3 x - 9}{x^{2} + 2 x - 3}$
22812	Find Where Undefined/Discontinuous	(x^2-11x+30)/(x^2-x-20)*(x^2-16)/(x^2-36)	$\frac{x^{2} - 11 x + 30}{x^{2} - x - 20} \cdot \frac{x^{2} - 16}{x^{2} - 36}$
22813	Find Where Undefined/Discontinuous	(x^8)/(x^2)	$\frac{x^{8}}{x^{2}}$
22814	Find Where Undefined/Discontinuous	(z^2+1)/(z^2-4z-5)	$\frac{z^{2} + 1}{z^{2} - 4 z - 5}$
22815	Find Where Undefined/Discontinuous	(z^2+2)/(z^2-4z-5)	$\frac{z^{2} + 2}{z^{2} - 4 z - 5}$
22816	Find Where Undefined/Discontinuous	(1-e^x)/x	$\frac{1 - e^{x}}{x}$
22817	Find Where Undefined/Discontinuous	1/(1-sin(t)^2)	$\frac{1}{1 - \sin^{2} (t)}$
22818	Find Where Undefined/Discontinuous	(3x)/(5x+2)	$\frac{3 x}{5 x + 2}$
22819	Find Where Undefined/Discontinuous	-4^(x^4+3^(x^3)+4^(x^2)+3x+5)	$- 4^{x^{4} + 3^{x^{3}} + 4^{x^{2}} + 3 x + 5}$
22820	Find Where Undefined/Discontinuous	(4-3x)/(2x+1)	$\frac{4 - 3 x}{2 x + 1}$
22821	Find Where Undefined/Discontinuous	(5x^2)/(x^2+2)	$\frac{5 x^{2}}{x^{2} + 2}$
22822	Find Where Undefined/Discontinuous	52^c*4	$52^{c} \cdot 4$
22823	Find Where Undefined/Discontinuous	(-5-4x)/(x^3+6x^2+8x)+2	$\frac{- 5 - 4 x}{x^{3} + 6 x^{2} + 8 x} + 2$
22824	Find Where Undefined/Discontinuous	(-5x)/( square root of x^4)-4/( square root of x)	$\frac{- 5 x}{\sqrt{x^{4}}} - \frac{4}{\sqrt{x}}$
22825	Find Where Undefined/Discontinuous	7/(9y+8)	$\frac{7}{9 y + 8}$
22826	Find Where Undefined/Discontinuous	8/( seventh root of x^15)	$\frac{8}{\sqrt[7]{x^{15}}}$
22827	Find Where Undefined/Discontinuous	(cos(x-1))/(2x^2)	$\frac{\cos (x - 1)}{2 x^{2}}$
22828	Find Where Undefined/Discontinuous	e^((nipi)/2+i/n)	$e^{\frac{n i π}{2} + \frac{i}{n}}$
22829	Find Where Undefined/Discontinuous	( log of square root of x square root of x)/( log of cube root of x)	$\frac{\log (\sqrt{x \sqrt{x}})}{\log (\sqrt[3]{x})}$
22830	Solve by Substitution	8x+7y=11 , x+2y=7	$8 x + 7 y = 11$ , $x + 2 y = 7$
22831	Find Where Undefined/Discontinuous	log base 2 of x-2	$\log_{2} (x - 2)$
22832	Find Where Undefined/Discontinuous	log base 3 of 7-x	$\log_{3} (7 - x)$
22833	Find Where Undefined/Discontinuous	log base 6 of 36/x	$\log_{6} (\frac{36}{x})$
22834	Find Where Undefined/Discontinuous	log base 7 of square root of x- log base 7 of x^3	$\log_{7} (\sqrt{x}) - \log_{7} (x^{3})$
22835	Find Where Undefined/Discontinuous	log base 5 of x = log base 5 of 9+2	$\log_{5} (x) = \log_{5} (9 + 2)$
22836	Find Where Undefined/Discontinuous	square root of -14+9a=a	$\sqrt{- 14 + 9 a} = a$
22837	Find Where Undefined/Discontinuous	x/2+1/2=(3x)/4	$\frac{x}{2} + \frac{1}{2} = \frac{3 x}{4}$
22838	Solve by Substitution	3x+y=-32 , 3x-y=-4	$3 x + y = - 32$ , $3 x - y = - 4$
22839	Find Where Undefined/Discontinuous	x^2+(100-x^2)=80^2	$x^{2} + (100 - x^{2}) = 80^{2}$
22840	Find Where Undefined/Discontinuous	x^2-3x-4=(x-a)(x-b)	$x^{2} - 3 x - 4 = (x - a) (x - b)$
22841	Find Where Undefined/Discontinuous	(x-3)/(3x-1)=(x+4)/(2x+5)	$\frac{x - 3}{3 x - 1} = \frac{x + 4}{2 x + 5}$
22842	Find Where Undefined/Discontinuous	0.20=(x^2)/(85-x)	$0.2 = \frac{x^{2}}{85 - x}$
22843	Find Where Undefined/Discontinuous	-0.65*20+0.70x=0.40(20+x)	$- 0.65 \cdot 20 + 0.7 x = 0.4 (20 + x)$
22844	Find Where Undefined/Discontinuous	0=-3/4x+3	$0 = - \frac{3}{4} x + 3$
22845	Find Where Undefined/Discontinuous	0=x^3e^(4x)-2x^2e^(4x)	$0 = x^{3} e^{4 x} - 2 x^{2} e^{4 x}$
22846	Find Where Undefined/Discontinuous	140-0.7x=170-0.85(x+32)	$140 - 0.7 x = 170 - 0.85 (x + 32)$
22847	Find Where Undefined/Discontinuous	2x^2+4x-1=0	$2 x^{2} + 4 x - 1 = 0$
22848	Find Where Undefined/Discontinuous	2x^2+6=15	$2 x^{2} + 6 = 15$
22849	Find Where Undefined/Discontinuous	2x^2+x+5=0	$2 x^{2} + x + 5 = 0$
22850	Find Where Undefined/Discontinuous	2X^3+12X^2=0	$2 X^{3} + 12 X^{2} = 0$
22851	Find Where Undefined/Discontinuous	-21x+63	$- 21 x + 63$
22852	Find Where Undefined/Discontinuous	22-3x+7x=4(x+5)	$22 - 3 x + 7 x = 4 (x + 5)$
22853	Find Where Undefined/Discontinuous	2x-y=6	$2 x - y = 6$
22854	Find Where Undefined/Discontinuous	-2y+3.2=1.4y-0.6	$- 2 y + 3.2 = 1.4 y - 0.6$
22855	Find Where Undefined/Discontinuous	2y=5x+11	$2 y = 5 x + 11$
22856	Find Where Undefined/Discontinuous	-2y=y-6	$- 2 y = y - 6$
22857	Find Where Undefined/Discontinuous	3x1+2x2=-8	$3 x \cdot 1 + 2 x \cdot 2 = - 8$
22858	Find Where Undefined/Discontinuous	3x+7z=643	$3 x + 7 z = 643$
22859	Find Where Undefined/Discontinuous	3y=2x+3	$3 y = 2 x + 3$
22860	Find Where Undefined/Discontinuous	-4x=-5x-4	$- 4 x = - 5 x - 4$
22861	Find Where Undefined/Discontinuous	4r^2-6r+4=2	$4 r^{2} - 6 r + 4 = 2$
22862	Find Where Undefined/Discontinuous	4x^2+ square root of 7x+2=0	$4 x^{2} + \sqrt{7 x} + 2 = 0$
22863	Find Where Undefined/Discontinuous	5(x-2)-3=-5x+10x-17	$5 (x - 2) - 3 = - 5 x + 10 x - 17$
22864	Find Where Undefined/Discontinuous	6x^4-5x^3+x^2-x+3=0	$6 x^{4} - 5 x^{3} + x^{2} - x + 3 = 0$
22865	Find Where Undefined/Discontinuous	6a+3b=c	$6 a + 3 b = c$
22866	Apply the Quadratic Formula	9r^2+6r-24	$9 r^{2} + 6 r - 24$
22867	Apply the Quadratic Formula	9x^2+12x+4	$9 x^{2} + 12 x + 4$
22868	Apply the Quadratic Formula	9x^2+1-6x	$9 x^{2} + 1 - 6 x$
22869	Apply the Quadratic Formula	9x^2-1	$9 x^{2} - 1$
22870	Apply the Quadratic Formula	9x^2-24x+16	$9 x^{2} - 24 x + 16$
22871	Apply the Quadratic Formula	x(460-2x)	$x (460 - 2 x)$
22872	Apply the Quadratic Formula	4w^2-40w+100	$4 w^{2} - 40 w + 100$
22873	Find Where Undefined/Discontinuous	(2x+9)(2x+9)=4x^2+36x+81	$(2 x + 9) (2 x + 9) = 4 x^{2} + 36 x + 81$
22874	Find Where Undefined/Discontinuous	(dx)/( square root of y)+dx=(dx)/( square root of x)	$\frac{d x}{\sqrt{y}} + d x = \frac{d x}{\sqrt{x}}$
22875	Find Where Undefined/Discontinuous	(0.9S)/((S-1)(S+0.2))=A/(S-0.1)+B/(S+0.2)	$\frac{0.9 S}{(S - 1) (S + 0.2)} = \frac{A}{S - 0.1} + \frac{B}{S + 0.2}$
22876	Find the Equation with Real Coefficients	7x-6y=-5 , -14x+12y=10	$7 x - 6 y = - 5$ , $- 14 x + 12 y = 10$
22877	Find Where Undefined/Discontinuous	(2(2-3x))/0.01-2.5=(0.02-2x)/0.02-7.5	$\frac{2 (2 - 3 x)}{0.01} - 2.5 = \frac{0.02 - 2 x}{0.02} - 7.5$
22878	Find Where Undefined/Discontinuous	2^(2x)-2^(x+1)+1=0	$2^{2 x} - 2^{x + 1} + 1 = 0$
22879	Subtract	20-12	$20 - 12$
22880	Subtract	2380000-980000	$2380000 - 980000$
22881	Subtract	2380-1550	$2380 - 1550$
22882	Subtract	2500-62.5	$2500 - 62.5$
22883	Subtract	316-526	$316 - 526$
22884	Subtract	3-2(-5/8)	$3 - 2 (\frac{- 5}{8})$
22885	Subtract	33-46.25	$33 - 46.25$
22886	Subtract	33-50	$33 - 50$
22887	Subtract	37-28	$37 - 28$
22888	Subtract	4(0.5)-3	$4 (0.5) - 3$
22889	Subtract	4040.57-3000	$4040.57 - 3000$
22890	Subtract	434-604	$434 - 604$
22891	Determine if Linear	9(x) = square root of 4(x+2)+6	$9 (x) = \sqrt{4 (x + 2)} + 6$
22892	Determine if Linear	9x-(7x-1)=2	$9 x - (7 x - 1) = 2$
22893	Add	[[-6,-4,8],[6,2,-3]]+[[8,9],[8,-5],[-1,-4]]	$[\begin{array}{c} - 6 & - 4 & 8 \\ 6 & 2 & - 3 \end{array}] + [\begin{array}{c} 8 & 9 \\ 8 & - 5 \\ - 1 & - 4 \end{array}]$
22894	Determine if Linear	A-B=B-A	$A - B = B - A$
22895	Determine if Linear	c(x)=35+30	$c (x) = 35 + 30$
22896	Determine if Linear	c=3x+2y	$c = 3 x + 2 y$
22897	Determine if Linear	cos(3x)=1	$\cos (3 x) = 1$
22898	Determine if Linear	f(x)=(x^3+5)^38	$f (x) = {(x^{3} + 5)}^{38}$
22899	Determine if Linear	f(x)=(x^3-7x+1)/(8x-9)	$f (x) = \frac{x^{3} - 7 x + 1}{8 x - 9}$
22900	Determine if Linear	f(x)=3/(x-2)	$f (x) = \frac{3}{x - 2}$