Mathway | Popular Problems

Popular Problems

Rank	Topic	Problem	Formatted Problem
132101	Find the Standard Form of the Parabola	f(x)=3x^2-30x+82	$f (x) = 3 x^{2} - 30 x + 82$
132102	Find the Standard Form of the Parabola	-36y=x^2	$- 36 y = x^{2}$
132103	Solve for x	-15<11x-4<51	$- 15 < 11 x - 4 < 51$
132104	Solve for x	-16<2x-12<30	$- 16 < 2 x - 12 < 30$
132105	Write as a Function of n	3m-5n=11	$3 m - 5 n = 11$
132106	Write as a Function of x	ax-bx+y=z	$a x - b x + y = z$
132107	Evaluate Using Scientific Notation	(7.210^3)/(1.810^7)	$\frac{7.2 \cdot 10^{3}}{1.8 \cdot 10^{7}}$
132108	Evaluate Using Scientific Notation	(4.210^8)+(5.910^9)	$(4.2 \cdot 10^{8}) + (5.9 \cdot 10^{9})$
132109	Evaluate Using Scientific Notation	(9.1610^-3)(5.510^10)	$(9.16 \cdot 10^{- 3}) (5.5 \cdot 10^{10})$
132110	Evaluate Using Scientific Notation	(8.310^6)+(3.410^5)	$(8.3 \cdot 10^{6}) + (3.4 \cdot 10^{5})$
132111	Evaluate Using Scientific Notation	(8.810^6)(510^2)	$(8.8 \cdot 10^{6}) (5 \cdot 10^{2})$
132112	Evaluate Using Scientific Notation	5.310^5+3.810^4	$5.3 \cdot 10^{5} + 3.8 \cdot 10^{4}$
132113	Convert to a Decimal	square root of 28	$\sqrt{28}$
132114	Round to the Nearest Hundredth	4.5	$4.5$
132115	Find the Distance Between Two Points	(4,-3) , (-2,-5)	$(4, - 3) (- 2, - 5)$
132116	Find the Distance Between Two Points	(-7,-1) , (-4,8)	$(- 7, - 1)$ , $(- 4, 8)$
132117	Find a,b,c	x^2=-5x	$x^{2} = - 5 x$
132118	Convert to Rectangular	6(cos(210)+isin(210))	$6 (\cos (210) + i \sin (210))$
132119	Convert to Rectangular	6(cos((5pi)/6)+isin((5pi)/6))	$6 (\cos (\frac{5 π}{6}) + i \sin (\frac{5 π}{6}))$
132120	Convert to Rectangular	6(cos(pi/2)+isin(pi/2))	$6 (\cos (\frac{π}{2}) + i \sin (\frac{π}{2}))$
132121	Convert to Rectangular	4(cos(30)+isin(30))	$4 (\cos (30) + i \sin (30))$
132122	Convert to Rectangular	4(cos(pi)+isin(pi))	$4 (\cos (π) + i \sin (π))$
132123	Convert to Rectangular	3(cos((2pi)/3)+isin((2pi)/3))	$3 (\cos (\frac{2 π}{3}) + i \sin (\frac{2 π}{3}))$
132124	Convert to Rectangular	27(cos(pi/5)+isin(pi/5))	$27 (\cos (\frac{π}{5}) + i \sin (\frac{π}{5}))$
132125	Convert to Rectangular	4(cos(pi/6)+isin(pi/6))	$4 (\cos (\frac{π}{6}) + i \sin (\frac{π}{6}))$
132126	Find the Slope and y-intercept	f(x)=4x-5	$f (x) = 4 x - 5$
132127	Find the Eccentricity	9x^2+4y^2=36	$9 x^{2} + 4 y^{2} = 36$
132128	Find the Sample Standard Deviation	6 , 5 , 13 , 8	$6$ , $5$ , $13$ , $8$
132129	Reduce	(3a^2b^3c^5)/(8x^4y^3z)	$\frac{3 a^{2} b^{3} c^{5}}{8 x^{4} y^{3} z}$
132130	Solve by Addition/Elimination	6x-y=-5-6x+y=5	$6 x - y = - 5 - 6 x + y = 5$
132131	Solve by Addition/Elimination	3x-2y=105x+4y=13	$3 x - 2 y = 105 x + 4 y = 13$
132132	Solve by Addition/Elimination	3x-12y=62x-8y=4	$3 x - 12 y = 62 x - 8 y = 4$
132133	Solve by Addition/Elimination	2x+y=-33x^2-y^2=2	$2 x + y = - 33 x^{2} - y^{2} = 2$
132134	Find the LCD	(x-3)/(x-4)+4=(3x)/x	$\frac{x - 3}{x - 4} + 4 = \frac{3 x}{x}$
132135	Find the LCD	x/2+4/5=9/12	$\frac{x}{2} + \frac{4}{5} = \frac{9}{12}$
132136	Find the LCD	5/(x^2-4)-2/(x+2)	$\frac{5}{x^{2} - 4} - \frac{2}{x + 2}$
132137	Find the LCD	(8y)/(7x^3)+(5x)/(21xy)	$\frac{8 y}{7 x^{3}} + \frac{5 x}{21 x y}$
132138	Find the LCD	1/(2x^2)+3/(10x)	$\frac{1}{2 x^{2}} + \frac{3}{10 x}$
132139	Find the Slope and y-intercept	(3,0) , (4,1)	$(3, 0) (4, 1)$
132140	Find the LCD	3/x+5/y	$\frac{3}{x} + \frac{5}{y}$
132141	Solve by Addition/Elimination	0.5m+0.7n=6.4*0.2m-0.7n=0.6	$0.5 m + 0.7 n = 6.4 \cdot 0.2 m - 0.7 n = 0.6$
132142	Solve by Addition/Elimination	2x^2+3y^2-21=3x^2-5y^2-22=0	$2 x^{2} + 3 y^{2} - 21 = 3 x^{2} - 5 y^{2} - 22 = 0$
132143	Solve by Addition/Elimination	14x+5y=31 2x-3y=-29	$14 x + 5 y = 31$ $2 x - 3 y = - 29$
132144	Solve by Addition/Elimination	2x-3y=-103x+5y=4	$2 x - 3 y = - 103 x + 5 y = 4$
132145	Solve by Addition/Elimination	2x-3y=55x+6y=8	$2 x - 3 y = 55 x + 6 y = 8$
132146	Solve by Addition/Elimination	3x-2y=135x+4y=18	$3 x - 2 y = 135 x + 4 y = 18$
132147	Solve by Addition/Elimination	3x^2+y^2=93x^2-y^2=9	$3 x^{2} + y^{2} = 93 x^{2} - y^{2} = 9$
132148	Solve by Addition/Elimination	4x+y=233x-y=12	$4 x + y = 233 x - y = 12$
132149	Solve by Addition/Elimination	5x+6y=-5 5x+3y=10	$5 x + 6 y = - 5$ $5 x + 3 y = 10$
132150	Solve by Addition/Elimination	5x-4y=163x+8y=7	$5 x - 4 y = 163 x + 8 y = 7$
132151	Solve by Addition/Elimination	7x+8y=42x+3y=2	$7 x + 8 y = 42 x + 3 y = 2$
132152	Solve by Addition/Elimination	x+y=-8x-y=10	$x + y = - 8 x - y = 10$
132153	Solve by Addition/Elimination	x-y=6-3y=x+22	$x - y = 6 - 3 y = x + 22$
132154	Solve by Addition/Elimination	x-3y-z=-9-x+8y-4z=242x-15y+7z=-45	$x - 3 y - z = - 9 - x + 8 y - 4 z = 242 x - 15 y + 7 z = - 45$
132155	Combine	5t^2-5.5-3.5t+1.5t^2+4t	$5 t^{2} - 5.5 - 3.5 t + 1.5 t^{2} + 4 t$
132156	Solve Using a Matrix by Elimination	2x-3y=8 1x+2y=-3	$2 x - 3 y = 8$ $1 x + 2 y = - 3$
132157	Solve Using a Matrix by Elimination	x-3y+2z=2x-5y-2z=4x-11y+2z=0	$x - 3 y + 2 z = 2 x - 5 y - 2 z = 4 x - 11 y + 2 z = 0$
132158	Write the Fraction in Simplest Form	(5^2*5^9)/5	$\frac{5^{2} \cdot 5^{9}}{5}$
132159	Write the Fraction in Simplest Form	4/7	$\frac{4}{7}$
132160	Write the Fraction in Simplest Form	24/30	$\frac{24}{30}$
132161	Write the Fraction in Simplest Form	2/7	$\frac{2}{7}$
132162	Write the Fraction in Simplest Form	28/40	$\frac{28}{40}$
132163	Write the Fraction in Simplest Form	square root of 1/9	$\sqrt{\frac{1}{9}}$
132164	Write the Fraction in Simplest Form	square root of 16/25	$\sqrt{\frac{16}{25}}$
132165	Write the Fraction in Simplest Form	6/20	$\frac{6}{20}$
132166	Write the Fraction in Simplest Form	8/9	$\frac{8}{9}$
132167	Find the Lower or First Quartile	24 , 26 , 26 , 27 , 28 , 31 , 33 , 35 , 37 , 38 , 40 , 42 , 43 , 46 , 48 , 55 , 56	$24$ , $26$ , $26$ , $27$ , $28$ , $31$ , $33$ , $35$ , $37$ , $38$ , $40$ , $42$ , $43$ , $46$ , $48$ , $55$ , $56$
132168	Find the Behavior (Leading Coefficient Test)	x^4-36x^2	$x^{4} - 36 x^{2}$
132169	Write the Fraction in Simplest Form	1/(6^5)	$\frac{1}{6^{5}}$
132170	Write the Fraction in Simplest Form	100/25	$\frac{100}{25}$
132171	Find the Mode	2 , 10 , 6 , 9 , 1 , 15 , 11 , 10 , 15 , 13 , 15	$2$ , $10$ , $6$ , $9$ , $1$ , $15$ , $11$ , $10$ , $15$ , $13$ , $15$
132172	Find the Equation Using Point-Slope Formula	(-4,47) , (2,-16)	$(- 4, 47) (2, - 16)$
132173	Find the Next Term	192 , 48 , 12	$192$ , $48$ , $12$
132174	Find the Next Term	1 , 4 , 9 , 16 , 25	$1$ , $4$ , $9$ , $16$ , $25$
132175	Find the Next Term	1/6 , 1/3 , 1/2 , 2/3	$\frac{1}{6}$ , $\frac{1}{3}$ , $\frac{1}{2}$ , $\frac{2}{3}$
132176	Find the Parabola with Focus (6,7) and Directrix x=1	(6,7) x=1	$(6, 7)$ $x = 1$
132177	Find the Roots/Zeros Using the Rational Roots Test	5x^3+28x^2+16x+5	$5 x^{3} + 28 x^{2} + 16 x + 5$
132178	Determine if the Expression is a Perfect Square	27	$27$
132179	Rationalize the Numerator	( square root of 13+2)/3	$\frac{\sqrt{13} + 2}{3}$
132180	Rationalize the Numerator	( square root of 13+3)/4	$\frac{\sqrt{13} + 3}{4}$
132181	Rationalize the Numerator	( cube root of 2x^5)/13	$\frac{\sqrt[3]{2 x^{5}}}{13}$
132182	Find g(f(x))	f(x)=2/3x^2+1 g(x)=6x-15	$f (x) = \frac{2}{3} x^{2} + 1$ $g (x) = 6 x - 15$
132183	Find P(P(A))	P(A)=1/4 , P(B)=3/7	$P (A) = \frac{1}{4}$ , $P (B) = \frac{3}{7}$
132184	Factor over the Complex Numbers	7+4i	$7 + 4 i$
132185	Determine the Type of Number	square root of 29	$\sqrt{29}$
132186	Find the y-intercept	y-8=0	$y - 8 = 0$
132187	Find the Variables	[[2x],[x]]-[[8y],[y]]=[[12],[1]]	$[\begin{array}{c} 2 x \\ x \end{array}] - [\begin{array}{c} 8 y \\ y \end{array}] = [\begin{array}{c} 12 \\ 1 \end{array}]$
132188	Find the Trig Value	cos(pi/2-x)	$\cos (\frac{π}{2} - x)$
132189	Find the Local Maxima and Minima	f(x)=24/(1+3e^(-1.3x))	$f (x) = \frac{24}{1 + 3 e^{- 1.3 x}}$
132190	Find the Constant of Variation	6y-5x=0	$6 y - 5 x = 0$
132191	Find the Constant of Variation	y=2.5x	$y = 2.5 x$
132192	Convert from Interval to Inequality	(1,100) union (1,9)	$(1, 100) \cup (1, 9)$
132193	Find the LCD	h/(h+3) , 1/(h^2+2h-3)	$\frac{h}{h + 3}$ , $\frac{1}{h^{2} + 2 h - 3}$
132194	Find the LCD	m/(m+5) , 9/(m-4)	$\frac{m}{m + 5}$ , $\frac{9}{m - 4}$
132195	Find the LCD	9/(175m^2) , 3/(75m-125)	$\frac{9}{175 m^{2}}$ , $\frac{3}{75 m - 125}$
132196	Find the GCF	35x^7-25x^2+40x	$35 x^{7} - 25 x^{2} + 40 x$
132197	Find the GCF	2x^3y+18xy-10x^2y-90y	$2 x^{3} y + 18 x y - 10 x^{2} y - 90 y$
132198	Find the GCF	162xy-50x^2	$162 x y - 50 x^{2}$
132199	Find the GCF	8x^2+10x	$8 x^{2} + 10 x$
132200	Find the GCF	7x^3+4x^5	$7 x^{3} + 4 x^{5}$