Mathway | Popular Problems

Popular Problems

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Rank	Topic	Problem	Formatted Problem
25201	Solve for a	(1/9)^(a+1)=81^(a+1)*27^(2-a)	${(\frac{1}{9})}^{a + 1} = 81^{a + 1} \cdot 27^{2 - a}$
25202	Determine if Injective (One to One)	f(x) = cube root of 2x	$f (x) = \sqrt[3]{2 x}$
25203	Solve by Factoring	square root of x=9	$\sqrt{x} = 9$
25204	Solve Using the Quadratic Formula	9x^2+3x-2=0	$9 x^{2} + 3 x - 2 = 0$
25205	Graph	3x-y<4	$3 x - y < 4$
25206	Find the Equation Using Two Points	(3,5) , (7,2)	$(3, 5) (7, 2)$
25207	Simplify	( square root of 15)/( square root of 60)	$\frac{\sqrt{15}}{\sqrt{60}}$
25208	Find the Equation Using Two Points	(-1,7) , (2,5)	$(- 1, 7) (2, 5)$
25209	Solve for x	log base 12 of x=1/2* log base 12 of 9+1/3* log base 12 of 27	$\log_{12} (x) = \frac{1}{2} \cdot \log_{12} (9) + \frac{1}{3} \cdot \log_{12} (27)$
25210	Simplify	(-4+7i)(-4-7i)	$(- 4 + 7 i) (- 4 - 7 i)$
25211	Find the Equation Using Two Points	(1,10) , (-3,2)	$(1, 10) (- 3, 2)$
25212	Find the Equation Using Two Points	(3,-1) , (4,7)	$(3, - 1) (4, 7)$
25213	Simplify	cube root of 8^2	$\sqrt[3]{8^{2}}$
25214	Find the Equation Using Two Points	(2,-2) , (4,1)	$(2, - 2) (4, 1)$
25215	Simplify	( square root of 60)/( square root of 15)	$\frac{\sqrt{60}}{\sqrt{15}}$
25216	Find the Equation Using Two Points	(-2,-20) , (0,-12)	$(- 2, - 20) (0, - 12)$
25217	Simplify	((5ab)^3)/(30a^-6b^-7)	$\frac{{(5 a b)}^{3}}{30 a^{- 6} b^{- 7}}$
25218	Graph	5x-y>=5	$5 x - y \geq 5$
25219	Graph	y=x^2-8x+13	$y = x^{2} - 8 x + 13$
25220	Solve by Graphing	x=4	$y = 4$
25221	Subtract	x/(6x-7)-(x-1)/(8x)	$\frac{x}{6 x - 7} - \frac{x - 1}{8 x}$
25222	Find Where Undefined/Discontinuous	f(x)=(x^2-100)/(x-10)	$f (x) = \frac{x^{2} - 100}{x - 10}$
25223	Find Where Undefined/Discontinuous	f(x)=(x^2-121)/(x-11)	$f (x) = \frac{x^{2} - 121}{x - 11}$
25224	Write in Standard Form	2i	$2 i$
25225	Find the Inverse	9+ cube root of x	$9 + \sqrt[3]{x}$
25226	Complete the Square	x^2-1/6x	$x^{2} - \frac{1}{6} x$
25227	Find the Inverse	f(x)=(x-3)^2 , x>=3	$f (x) = {(x - 3)}^{2}$ , $x \geq 3$
25228	Find the Axis of Symmetry	f(x)=2x^2-4x+5	$f (x) = 2 x^{2} - 4 x + 5$
25229	Find the Inverse	12x-3	$12 x - 3$
25230	Find the Inverse	3x^3-1	$3 x^{3} - 1$
25231	Find the Perfect Square Trinomial	x^2-6x+c	$x^{2} - 6 x + c$
25232	Find the Inverse	3x+13	$3 x + 13$
25233	Find the Perfect Square Trinomial	x^2+7x+c	$x^{2} + 7 x + c$
25234	Find the Inverse	4-x^3	$4 - x^{3}$
25235	Solve for t	s=-16t^2+32t	$s = - 16 t^{2} + 32 t$
25236	Find the Inverse	4n-25	$4 n - 25$
25237	Solve for t	s=1/14*(gt^2)	$s = \frac{1}{14} \cdot (g t^{2})$
25238	Find the Inverse	6(4/x)-12	$6 (\frac{4}{x}) - 12$
25239	Solve for t	s=5r^2t	$s = 5 r^{2} t$
25240	Find the Inverse	64^x	$64^{x}$
25241	Solve for v	6(6v+6)-5=1+6v	$6 (6 v + 6) - 5 = 1 + 6 v$
25242	Solve for t	-t+5=t-19	$- t + 5 = t - 19$
25243	Solve for v	v/8=2	$\frac{v}{8} = 2$
25244	Find the Inverse	cube root of x+10	$\sqrt[3]{x + 10}$
25245	Solve for x	\|2x-5\|=7	$\| 2 x - 5 \| = 7$
25246	Solve for x	\|2x-5\|=9	$\| 2 x - 5 \| = 9$
25247	Find the Inverse	square root of x-6	$\sqrt{x} - 6$
25248	Solve for x	\|2x+5\|=7	$\| 2 x + 5 \| = 7$
25249	Solve for x	\|x\|=19	$\| x \| = 19$
25250	Find the Inverse	(x+7)/(x-4)	$\frac{x + 7}{x - 4}$
25251	Find the Inverse	(x-2)/4	$\frac{x - 2}{4}$
25252	Solve for x	256^(3x)=64^(x+1)	$256^{3 x} = 64^{x + 1}$
25253	Find the Inverse	(x-2)/5	$\frac{x - 2}{5}$
25254	Solve for x	2/3x=10	$\frac{2}{3} x = 10$
25255	Solve for x	2/3x=8	$\frac{2}{3} x = 8$
25256	Find the Inverse	(x+1)/(x-4)	$\frac{x + 1}{x - 4}$
25257	Solve for b	8-(3+b)=b-9	$8 - (3 + b) = b - 9$
25258	Solve for c	a=b(1/c-1/d)	$a = b (\frac{1}{c} - \frac{1}{d})$
25259	Solve for f	1/f=1/p+1/q	$\frac{1}{f} = \frac{1}{p} + \frac{1}{q}$
25260	Solve for d	43-3d=d+9	$43 - 3 d = d + 9$
25261	Solve for p	p-15=13-6p	$p - 15 = 13 - 6 p$
25262	Find the Inverse	5/2x-1	$\frac{5}{2} x - 1$
25263	Solve for n	s=180n-360	$s = 180 n - 360$
25264	Solve for n	4n+6-2n=2(n+3)	$4 n + 6 - 2 n = 2 (n + 3)$
25265	Find the Inverse	(-6x-3)/(-10x+8)	$\frac{- 6 x - 3}{- 10 x + 8}$
25266	Solve for n	-10n+3(8+8n)=-6(n-4)	$- 10 n + 3 (8 + 8 n) = - 6 (n - 4)$
25267	Solve for h	v=1/3*(Ah)	$v = \frac{1}{3} \cdot (A h)$
25268	Solve for x	9^x=3^(x-2)	$9^{x} = 3^{x - 2}$
25269	Find the Inverse	9/x	$\frac{9}{x}$
25270	Solve for x	e^(2x)=5	$e^{2 x} = 5$
25271	Find the Inverse	(7x)/(x+3)	$\frac{7 x}{x + 3}$
25272	Solve for x	e^(2x)-15e^x+14=0	$e^{2 x} - 15 e^{x} + 14 = 0$
25273	Find the Inverse	(8x)/(x+5)	$\frac{8 x}{x + 5}$
25274	Solve for x	e^x=3/4	$e^{x} = \frac{3}{4}$
25275	Find the Inverse	(8x)/(9x-1)	$\frac{8 x}{9 x - 1}$
25276	Solve for x	log base 11 of x+ log base 11 of 10x-1=1	$\log_{11} (x) + \log_{11} (10 x - 1) = 1$
25277	Solve for x	log base 2 of 2x+1=3	$\log_{2} (2 x + 1) = 3$
25278	Solve for x	log base 13 of x+ log base 13 of 12x-1=1	$\log_{13} (x) + \log_{13} (12 x - 1) = 1$
25279	Find the Inverse	1/x-4	$\frac{1}{x} - 4$
25280	Solve for x	x^4-18x^2+32=0	$x^{4} - 18 x^{2} + 32 = 0$
25281	Find the Inverse	(3x^2-7)	$(3 x^{2} - 7)$
25282	Solve for x	log base 3 of 1/81=x	$\log_{3} (\frac{1}{81}) = x$
25283	Find the Inverse	(3x+7)/4	$\frac{3 x + 7}{4}$
25284	Solve for x	log base 25 of x=3/2	$\log_{25} (x) = \frac{3}{2}$
25285	Solve for x	log base 2 of 4x=5	$\log_{2} (4 x) = 5$
25286	Solve for x	\|x^2-4x\|=4	$\| x^{2} - 4 x \| = 4$
25287	Find the Inverse	(2x-2)/4	$\frac{2 x - 2}{4}$
25288	Solve for x	log base 4 of 8=x	$\log_{4} (8) = x$
25289	Find the Inverse	x+16	$x + 16$
25290	Find the Inverse	log base 2 of x+4	$\log_{2} (x + 4)$
25291	Solve for x	log base 9 of 27=x	$\log_{9} (27) = x$
25292	Solve for x	log base 9 of x-4+ log base 9 of x-4=1	$\log_{9} (x - 4) + \log_{9} (x - 4) = 1$
25293	Find the Inverse	f(x)=x^2-15 , x>=0	$f (x) = x^{2} - 15$ , $x \geq 0$
25294	Solve for x	log base 64 of x=1/3	$\log_{64} (x) = \frac{1}{3}$
25295	Find the Inverse	f(x)=x^2+3 , x>=0	$f (x) = x^{2} + 3$ , $x \geq 0$
25296	Solve for x	3^(2x-3)=81	$3^{2 x - 3} = 81$
25297	Solve for x	8x^2+10x-7=0	$8 x^{2} + 10 x - 7 = 0$
25298	Find the Inverse	f(x)=3x-4+2x^2	$f (x) = 3 x - 4 + 2 x^{2}$
25299	Solve for x	x^2-9x+18=0	$x^{2} - 9 x + 18 = 0$
25300	Solve for x	-\|2x-1\|>=-3	$- \| 2 x - 1 \| \geq - 3$