Mathway | Popular Problems

Popular Problems

Rank	Topic	Problem	Formatted Problem
133201	Convert to Rectangular	8(cos(120)+isin(120))	$8 (\cos (120) + i \sin (120))$
133202	Convert to Rectangular	9(cos((3pi)/2)+isin((3pi)/2))	$9 (\cos (\frac{3 π}{2}) + i \sin (\frac{3 π}{2}))$
133203	Convert to Rectangular	9(cos(240)+isin(240))	$9 (\cos (240) + i \sin (240))$
133204	Find Any Equation Parallel to the Line	4x-y=-8	$4 x - y = - 8$
133205	Find the Sample Standard Deviation	4 , 2 , 11 , 7 , 5 , 3 , 14 , 9 , 8	$4$ , $2$ , $11$ , $7$ , $5$ , $3$ , $14$ , $9$ , $8$
133206	Find the Sample Standard Deviation	21 , 24 , 24 , 27 , 29	$21$ , $24$ , $24$ , $27$ , $29$
133207	Find the Sample Standard Deviation	-3 , -2 , -1 , 0 , 1 , 2 , 3	$- 3$ , $- 2$ , $- 1$ , $0$ , $1$ , $2$ , $3$
133208	Find the Sample Standard Deviation	3 , 2 , 4 , 5 , 12 , 7	$3$ , $2$ , $4$ , $5$ , $12$ , $7$
133209	Find the Sample Standard Deviation	11 , 7 , 14 , 2 , 8 , 13 , 3 , 6 , 10 , 3 , 8 , 4 , 8 , 4 , 7	$11$ , $7$ , $14$ , $2$ , $8$ , $13$ , $3$ , $6$ , $10$ , $3$ , $8$ , $4$ , $8$ , $4$ , $7$
133210	Find Any Equation Parallel to the Line	y=-2x+9	$y = - 2 x + 9$
133211	Find Any Equation Parallel to the Line	y=2x+5	$y = 2 x + 5$
133212	Find the Tangent Given the Point	(-6,5)	$(- 6, 5)$
133213	Find the Perpendicular Line	x=3 (0,-4)	$x = 3$ $(0, - 4)$
133214	Find the Perpendicular Line	y=5 (-7,-5)	$y = 5$ $(- 7, - 5)$
133215	Transpose	[[9,8,8],[7,8,6]]	$[\begin{array}{c} 9 & 8 & 8 \\ 7 & 8 & 6 \end{array}]$
133216	Find the Equation Using Point-Slope Formula	(-6,6) , (6,2)	$(- 6, 6) (6, 2)$
133217	Determine if the Expression is a Perfect Square	18	$18$
133218	Determine if the Expression is a Perfect Square	33	$33$
133219	Rationalize the Numerator	square root of 13/7	$\sqrt{\frac{13}{7}}$
133220	Determine if the Expression is a Perfect Square	4x^2+12x+9	$4 x^{2} + 12 x + 9$
133221	Reduce	(2t-6)/(t^2-9)	$\frac{2 t - 6}{t^{2} - 9}$
133222	Find Trig Functions Using Identities	sin(x)=4/5	$\sin (x) = \frac{4}{5}$
133223	Find the Slope and y-intercept	(1,3) , (-2,5)	$(1, 3) (- 2, 5)$
133224	Find the Slope and y-intercept	(1,5) , (2,7)	$(1, 5) (2, 7)$
133225	Find the LCD	(m^4)/((5m+4)(1-2m))-(3m)/((3m-13)(1-2m))	$\frac{m^{4}}{(5 m + 4) (1 - 2 m)} - \frac{3 m}{(3 m - 13) (1 - 2 m)}$
133226	Find the LCD	8/9x+2/3x=1/9x+45	$\frac{8}{9} x + \frac{2}{3} x = \frac{1}{9} x + 45$
133227	Write the Fraction in Simplest Form	3 2/3	$3 \frac{2}{3}$
133228	Write the Fraction in Simplest Form	66 2/3	$66 \frac{2}{3}$
133229	Write the Fraction in Simplest Form	7 1/2÷3 1/8	$7 \frac{1}{2} \div 3 \frac{1}{8}$
133230	Write the Fraction in Simplest Form	28/36	$\frac{28}{36}$
133231	Write the Fraction in Simplest Form	30/35	$\frac{30}{35}$
133232	Write the Fraction in Simplest Form	21/28	$\frac{21}{28}$
133233	Write the Fraction in Simplest Form	24/28	$\frac{24}{28}$
133234	Write the Fraction in Simplest Form	24/36	$\frac{24}{36}$
133235	Write the Fraction in Simplest Form	(2/5)÷10	$\frac{2}{5} \div 10$
133236	Write the Fraction in Simplest Form	0.111	$0.111$
133237	Write the Fraction in Simplest Form	square root of 2/5	$\sqrt{\frac{2}{5}}$
133238	Write the Fraction in Simplest Form	1 2/3	$1 \frac{2}{3}$
133239	Write the Fraction in Simplest Form	14%	$14 %$
133240	Write the Fraction in Simplest Form	1 1/3	$1 \frac{1}{3}$
133241	Write the Fraction in Simplest Form	0.45	$0.45$
133242	Write the Fraction in Simplest Form	ninth root of 16^3	$\sqrt[9]{16^{3}}$
133243	Write the Fraction in Simplest Form	1/3	$\frac{1}{3}$
133244	Find the Mode	87 , 29 , 21 , 52 , 21	$87$ , $29$ , $21$ , $52$ , $21$
133245	Find the Leading Coefficient	(2x+y^2)^5	${(2 x + y^{2})}^{5}$
133246	Find the Leading Coefficient	(x+y)^10	${(x + y)}^{10}$
133247	Find the Leading Coefficient	9xy+6xy-2xy	$9 x y + 6 x y - 2 x y$
133248	Write in Standard Form	9x^2+25y^2=225	$9 x^{2} + 25 y^{2} = 225$
133249	Find the Parallel Line	(3,1) , 2x+y=5	$(3, 1)$ , $2 x + y = 5$
133250	Subtract the Matrices	[[-1,3],[0,4],[8,-4]]-[[7,2],[17,4],[3,2]]	$[\begin{array}{c} - 1 & 3 \\ 0 & 4 \\ 8 & - 4 \end{array}] - [\begin{array}{c} 7 & 2 \\ 17 & 4 \\ 3 & 2 \end{array}]$
133251	Subtract the Matrices	[[2,-18],[20,-5]]-[[-4,2],[-5,1]]	$[\begin{array}{c} 2 & - 18 \\ 20 & - 5 \end{array}] - [\begin{array}{c} - 4 & 2 \\ - 5 & 1 \end{array}]$
133252	Subtract the Matrices	[[-1,4],[0,4],[9,-4]]-[[7,2],[17,4],[3,2]]	$[\begin{array}{c} - 1 & 4 \\ 0 & 4 \\ 9 & - 4 \end{array}] - [\begin{array}{c} 7 & 2 \\ 17 & 4 \\ 3 & 2 \end{array}]$
133253	Subtract the Matrices	[[2,4,3],[-6,3,-6]]-[[6,1,-1],[2,3,5]]	$[\begin{array}{c} 2 & 4 & 3 \\ - 6 & 3 & - 6 \end{array}] - [\begin{array}{c} 6 & 1 & - 1 \\ 2 & 3 & 5 \end{array}]$
133254	Find the Equation Using Two Points	(2,1) , (5,-8)	$(2, 1) (5, - 8)$
133255	Find the Equation Using Two Points	(1,7.5) , (3,16.875)	$(1, 7.5) (3, 16.875)$
133256	Find Where Undefined/Discontinuous	f(x)=(x^2+x-2)/(x^2-x-6)	$f (x) = \frac{x^{2} + x - 2}{x^{2} - x - 6}$
133257	Find Where Undefined/Discontinuous	h(x)=(x^2+4x-32)/(x^2-8x+16)	$h (x) = \frac{x^{2} + 4 x - 32}{x^{2} - 8 x + 16}$
133258	Find the Parabola with Focus (-2,4) and Directrix y=6	(-2,4) y=6	$(- 2, 4)$ $y = 6$
133259	Find the Parabola with Focus (0,0) and Directrix y=4	(0,0) y=4	$(0, 0)$ $y = 4$
133260	Determine if Odd, Even, or Neither	x^3-2x	$x^{3} - 2 x$
133261	Determine if Odd, Even, or Neither	x^3-3x	$x^{3} - 3 x$
133262	Determine if Odd, Even, or Neither	x^9+x^3	$x^{9} + x^{3}$
133263	Determine if Odd, Even, or Neither	-2x^5+5x^3	$- 2 x^{5} + 5 x^{3}$
133264	Determine if Parallel	y=6x-11 , y=6x+17	$y = 6 x - 11$ , $y = 6 x + 17$
133265	Find the Local Maxima and Minima	h(t)=100t-16t^2	$h (t) = 100 t - 16 t^{2}$
133266	Find the Local Maxima and Minima	f(x)=x^4-3x^3-2x^2+4x+5	$f (x) = x^{4} - 3 x^{3} - 2 x^{2} + 4 x + 5$
133267	Find the Upper or Third Quartile	1 , 5 , 7 , 9 , 11 , 16 , 18 , 20 , 30 , 35	$1$ , $5$ , $7$ , $9$ , $11$ , $16$ , $18$ , $20$ , $30$ , $35$
133268	Graph the Interval	[-4,2]	$[- 4, 2]$
133269	Graph the Interval	(-2,3)	$(- 2, 3)$
133270	Find the Equation Using Slope-Intercept Form	(3,2) , y=x+5	$(3, 2)$ , $y = x + 5$
133271	Find the Equation Using Slope-Intercept Form	(-2,-3) , m=9	$(- 2, - 3)$ , $m = 9$
133272	Find the Equation Using Slope-Intercept Form	m=1 b=4	$m = 1$ $b = 4$
133273	Find the Equation Using Slope-Intercept Form	m=6 , (2,1)	$m = 6$ , $(2, 1)$
133274	Verify the Identity	1+cos(18x)=2cos(9x)^2	$1 + \cos (18 x) = 2 \cos^{2} (9 x)$
133275	Find the Derivative - d/dP	Pe^(rt)	$P e^{r t}$
133276	Find Where Undefined/Discontinuous	y=((x+2)(x-7))/(x^2-5x-14)	$y = \frac{(x + 2) (x - 7)}{x^{2} - 5 x - 14}$
133277	Find Where Undefined/Discontinuous	y=(x^2-4)/(x^2+x-2)	$y = \frac{x^{2} - 4}{x^{2} + x - 2}$
133278	Solve the Triangle	6+inx=8	$6 + in x = 8$
133279	Find the Expanded Form	(x+7)^2+y^2=81	${(x + 7)}^{2} + y^{2} = 81$
133280	Determine the Type of Number	square root of -81	$\sqrt{- 81}$
133281	Write as a Set of Linear Factors	(x-3)^(2/3)=25	${(x - 3)}^{\frac{2}{3}} = 25$
133282	Find the Behavior (Leading Coefficient Test)	f(x)=3x^2-1/5x^5+7x^10	$f (x) = 3 x^{2} - \frac{1}{5} x^{5} + 7 x^{10}$
133283	Find the Behavior (Leading Coefficient Test)	f(x)=8x^3(4-x)(7x-6)^4	$f (x) = 8 x^{3} (4 - x) {(7 x - 6)}^{4}$
133284	Find the Behavior (Leading Coefficient Test)	p(x)=-5x^4-6x^2+6	$p (x) = - 5 x^{4} - 6 x^{2} + 6$
133285	Find the Quadrant	(7,-6)	$(7, - 6)$
133286	Identify the Polar Equation	r=10	$r = 10$
133287	Find the Sum of the Infinite Geometric Series	3/2 , 15/4 , 75/8 , 375/16	$\frac{3}{2}$ , $\frac{15}{4}$ , $\frac{75}{8}$ , $\frac{375}{16}$
133288	Round to the Nearest Hundredth	6.2	$6.2$
133289	Round to the Nearest Hundredth	3.3	$3.3$
133290	Round to the Nearest Hundredth	3.464	$3.464$
133291	Round to the Nearest Hundredth	2.3	$2.3$
133292	Round to the Nearest Hundredth	2.2	$2.2$
133293	Round to the Nearest Hundredth	0.086	$0.086$
133294	Round to the Nearest Hundredth	0.067	$0.067$
133295	Round to the Nearest Hundredth	0.50944293	$0.50944293$
133296	Round to the Nearest Hundredth	1.7	$1.7$
133297	Round to the Nearest Hundredth	0.61	$0.61$
133298	Round to the Nearest Hundredth	0.8	$0.8$
133299	Round to the Nearest Hundredth	1808.64	$1808.64$
133300	Round to the Nearest Hundredth	14.21	$14.21$