Mathway | Popular Problems

Popular Problems

Rank	Topic	Problem	Formatted Problem
131201	Find the LCD	-5/(3z) , 15/(5z)	$\frac{- 5}{3 z}$ , $\frac{15}{5 z}$
131202	Find the LCD	(s-7)/(s^2-2s-8) , 3/(s-4)	$\frac{s - 7}{s^{2} - 2 s - 8}$ , $\frac{3}{s - 4}$
131203	Solve the Matrix Equation	2X+2[[2,-8],[-4,2]]=[[4,-6],[2,-8]]	$2 X + 2 [\begin{array}{c} 2 & - 8 \\ - 4 & 2 \end{array}] = [\begin{array}{c} 4 & - 6 \\ 2 & - 8 \end{array}]$
131204	Find the Center	16x^2+25y^2-32x+100y-284=0	$16 x^{2} + 25 y^{2} - 32 x + 100 y - 284 = 0$
131205	Find the Center	25x^2+36y^2-350x+325=0	$25 x^{2} + 36 y^{2} - 350 x + 325 = 0$
131206	Find the Center	(x^2)/49+(y^2)/16=1	$\frac{x^{2}}{49} + \frac{y^{2}}{16} = 1$
131207	Find the End Behavior	f(x)=1/x	$f (x) = \frac{1}{x}$
131208	Solve the Matrix Equation	[[-3,-14],[2,9]]x=[[8,-4],[0,-4]]	$[\begin{array}{c} - 3 & - 14 \\ 2 & 9 \end{array}] x = [\begin{array}{c} 8 & - 4 \\ 0 & - 4 \end{array}]$
131209	Find the LCM	x^2+5x+4 , (x+1)^2	$x^{2} + 5 x + 4$ , ${(x + 1)}^{2}$
131210	Find the End Behavior	y=-8x^7+16x^6+9	$y = - 8 x^{7} + 16 x^{6} + 9$
131211	Multiply the Matrices	[[1,3,-2],[2,0,5]][[3,0],[-2,1],[0,5]]	$[\begin{array}{c} 1 & 3 & - 2 \\ 2 & 0 & 5 \end{array}] [\begin{array}{c} 3 & 0 \\ - 2 & 1 \\ 0 & 5 \end{array}]$
131212	Write the Fraction in Simplest Form	64 7/12	$64 \frac{7}{12}$
131213	Write the Fraction in Simplest Form	9/10	$\frac{9}{10}$
131214	Write the Fraction in Simplest Form	2/12	$\frac{2}{12}$
131215	Write the Fraction in Simplest Form	1/5	$\frac{1}{5}$
131216	Write the Fraction in Simplest Form	10/12	$\frac{10}{12}$
131217	Find the Interquartile Range (H-Spread)	28 , 34 , 43 , 59 , 62	$28$ , $34$ , $43$ , $59$ , $62$
131218	Find the Interquartile Range (H-Spread)	10 , 12 , 16 , 9 , 8 , 15 , 15 , 7 , 11 , 14	$10$ , $12$ , $16$ , $9$ , $8$ , $15$ , $15$ , $7$ , $11$ , $14$
131219	Determine the Nature of the Roots Using the Discriminant	-2x^2+7x-4=0	$- 2 x^{2} + 7 x - 4 = 0$
131220	Determine the Nature of the Roots Using the Discriminant	3x^2-4x-7=0	$3 x^{2} - 4 x - 7 = 0$
131221	Determine the Nature of the Roots Using the Discriminant	9x^2+6x+1=0	$9 x^{2} + 6 x + 1 = 0$
131222	Determine the Nature of the Roots Using the Discriminant	x^2-4x+5=0	$x^{2} - 4 x + 5 = 0$
131223	Solve for I	I=Prt	$I = P r t$
131224	Solve for j	square root of j+ square root of j+14=3 square root of j+10	$\sqrt{j} + \sqrt{j} + 14 = 3 \sqrt{j} + 10$
131225	Solve for j	1/(2-j)+2=4/(2-j)	$\frac{1}{2 - j} + 2 = \frac{4}{2 - j}$
131226	Solve for I	P=2I+2W	$P = 2 I + 2 W$
131227	Solve for I	10=2 square root of I-9	$10 = 2 \sqrt{I} - 9$
131228	Find the Distance Between Two Points	(-2,4) , (4,-6)	$(- 2, 4)$ , $(4, - 6)$
131229	Determine if Injective (One to One)	f(x)=9x-3	$f (x) = 9 x - 3$
131230	Determine if Injective (One to One)	f(x)=6x-3	$f (x) = 6 x - 3$
131231	Determine if Injective (One to One)	f(x)=3x+4	$f (x) = 3 x + 4$
131232	Determine if Injective (One to One)	f(x)=3x-9	$f (x) = 3 x - 9$
131233	Determine if Injective (One to One)	f(x) = cube root of 7x	$f (x) = \sqrt[3]{7 x}$
131234	Find Amplitude, Period, and Phase Shift	f(x)=7cos(4x)+3	$f (x) = 7 \cos (4 x) + 3$
131235	Find the Eccentricity	(x^2)/4+(y^2)/9=1	$\frac{x^{2}}{4} + \frac{y^{2}}{9} = 1$
131236	Round to the Nearest Hundredth	1436.026	$1436.026$
131237	Find the Symmetry	y=7x^3	$y = 7 x^{3}$
131238	Find the Behavior (Leading Coefficient Test)	f(x)=(2x+3)^2(3x+5)^2	$f (x) = {(2 x + 3)}^{2} {(3 x + 5)}^{2}$
131239	Solve by Addition/Elimination	2x^2+3y^2-21=3x^2-2y^2-25=0	$2 x^{2} + 3 y^{2} - 21 = 3 x^{2} - 2 y^{2} - 25 = 0$
131240	Solve by Addition/Elimination	x+7y=95x+6y=16	$x + 7 y = 95 x + 6 y = 16$
131241	Solve by Addition/Elimination	x-2y-z=-93x+4y-2z=14x+3y-4z=-3	$x - 2 y - z = - 93 x + 4 y - 2 z = 14 x + 3 y - 4 z = - 3$
131242	Find the Median	4 , 2 , 8 , 4 , 6 , 9 , 10 , 5	$4$ , $2$ , $8$ , $4$ , $6$ , $9$ , $10$ , $5$
131243	Find the Median	9 , 10 , 6 , 5 , 6	$9$ , $10$ , $6$ , $5$ , $6$
131244	Find the Range	f(x)=x^2+2x+3	$f (x) = x^{2} + 2 x + 3$
131245	Find the Determinant	[[1/7,1/10],[-6/5,10/9]]	$[\begin{array}{c} \frac{1}{7} & \frac{1}{10} \\ - \frac{6}{5} & \frac{10}{9} \end{array}]$
131246	Find the Determinant	[[6,5],[5,2]]	$[\begin{array}{c} 6 & 5 \\ 5 & 2 \end{array}]$
131247	Find the Determinant	[[-2,3,8],[6,7,-1],[-4,5,9]]	$[\begin{array}{c} - 2 & 3 & 8 \\ 6 & 7 & - 1 \\ - 4 & 5 & 9 \end{array}]$
131248	Round to the Nearest Tenth	1.6	$1.6$
131249	Find the GCF	24a^3c , 3a	$24 a^{3} c$ , $3 a$
131250	Convert to Rectangular	4(cos(240)+isin(240))	$4 (\cos (240) + i \sin (240))$
131251	Convert to Rectangular	4(cos(150)+isin(150))	$4 (\cos (150) + i \sin (150))$
131252	Convert to Rectangular	2(cos((11pi)/6)+isin((11pi)/6))	$2 (\cos (\frac{11 π}{6}) + i \sin (\frac{11 π}{6}))$
131253	Factor over the Complex Numbers	x^4-16	$x^{4} - 16$
131254	Find Where Increasing/Decreasing	-x^2+6x-9	$- x^{2} + 6 x - 9$
131255	Solve Using a Matrix with Cramer's Rule	3x-4y-3z=-3-2y+3z=-93x+2z=26	$3 x - 4 y - 3 z = - 3 - 2 y + 3 z = - 93 x + 2 z = 26$
131256	Solve Using a Matrix with Cramer's Rule	-4x-4y+2z=4-2y+3z=222x+3z=28	$- 4 x - 4 y + 2 z = 4 - 2 y + 3 z = 222 x + 3 z = 28$
131257	Write as a Function of x	x2/5+x1/5+1=3	$x \frac{2}{5} + x \frac{1}{5} + 1 = 3$
131258	Convert to Set Notation	[-2,infinity)	$[- 2, \infty)$
131259	Convert to Set Notation	[-8,infinity)	$[- 8, \infty)$
131260	Find the Sample Standard Deviation	5 , 6 , 7 , 8 , 9	$5$ , $6$ , $7$ , $8$ , $9$
131261	Identify the Conic	x^2+2x+y-1=0	$x^{2} + 2 x + y - 1 = 0$
131262	Reduce	(1/x+1/y)/(1/x-1/y)	$\frac{\frac{1}{x} + \frac{1}{y}}{\frac{1}{x} - \frac{1}{y}}$
131263	Find the Slope of a Parallel Line	y=8x-7	$y = 8 x - 7$
131264	Find the Slope of a Parallel Line	y=6x-9	$y = 6 x - 9$
131265	Find the Slope of a Parallel Line	y=6x-4	$y = 6 x - 4$
131266	Solve the Triangle	e/3=7	$\frac{e}{3} = 7$
131267	Find the Degree	22	$22$
131268	Find the Degree	3pi	$3 π$
131269	Find the Degree	-3x	$- 3 x$
131270	Find the Degree	2x^4	$2 x^{4}$
131271	Find the Degree	7x^3	$7 x^{3}$
131272	Determine if a Polynomial	f(x)=4x+x^3	$f (x) = 4 x + x^{3}$
131273	Determine if a Polynomial	3x^9+4x+129	$3 x^{9} + 4 x + 129$
131274	Determine if a Polynomial	3i	$3 i$
131275	Find the Quadratic Equation	4 , -2	$4$ , $- 2$
131276	Find the Quadratic Equation	(0,11)	$(0, 11)$
131277	Find the Fourth Term	2 , 8 , 32	$2$ , $8$ , $32$
131278	Find the GCF	46g^2h*34g^6h^6	$46 g^{2} h \cdot 34 g^{6} h^{6}$
131279	Find the GCF	3x+15	$3 x + 15$
131280	Find the GCF	2a^2+2b^2-5ab	$2 a^{2} + 2 b^{2} - 5 a b$
131281	Find the GCF	16x^2-14x	$16 x^{2} - 14 x$
131282	Find the GCF	12x^2	$12 x^{2}$
131283	Evaluate Using the Given Value	f(1)=10^1	$f (1) = 10^{1}$
131284	Evaluate Using the Given Value	4^(1+2x)=1 , 24	$4^{(1 + 2 x)} = 1$ , $24$
131285	Evaluate Using the Given Value	p=100 , 0(1.2)^(t-2008)	$p = 100$ , $0 {(1.2)}^{t - 2008}$
131286	Determine if Proper or Improper	g(x)=(x^2-17x-12)/(x^2+x-7)	$g (x) = \frac{x^{2} - 17 x - 12}{x^{2} + x - 7}$
131287	Find the Equation Using Slope-Intercept Form	m=9 , b=4	$m = 9$ , $b = 4$
131288	Find the Derivative - d/da	square root of a	$\sqrt{a}$
131289	Find the Equation Given the Roots	2 , -4 , 8	$2$ , $- 4$ , $8$
131290	Find the Equation Given the Roots	5 , -19/4	$5$ , $- \frac{19}{4}$
131291	Determine the Type of Number	cube root of 11	$\sqrt[3]{11}$
131292	Combine	-5(3p+3)+9(-7+p)	$- 5 (3 p + 3) + 9 (- 7 + p)$
131293	Solve Using a Matrix by Elimination	x+9y=z+23x=3+y-zx+y+z=9	$x + 9 y = z + 23 x = 3 + y - z x + y + z = 9$
131294	Determine if Injective (One to One)	f(x) = cube root of 6x	$f (x) = \sqrt[3]{6 x}$
131295	Determine if Injective (One to One)	f(x)=2.4^x	$f (x) = {2.4}^{x}$
131296	Determine if Injective (One to One)	f(x)=2.1^x	$f (x) = {2.1}^{x}$
131297	Find Amplitude, Period, and Phase Shift	7sin((3pi)/4x-pi/4)+6	$7 \sin (\frac{3 π}{4} x - \frac{π}{4}) + 6$
131298	Determine if Injective (One to One)	f(x)=6x-6	$f (x) = 6 x - 6$
131299	Find the Roots/Zeros Using the Rational Roots Test	f(x)=x^3-4x^2-19x-14	$f (x) = x^{3} - 4 x^{2} - 19 x - 14$
131300	Find the Roots/Zeros Using the Rational Roots Test	f(x)=7x^4-6x^3+27x^2-24x-4	$f (x) = 7 x^{4} - 6 x^{3} + 27 x^{2} - 24 x - 4$