Mathway | Popular Problems

Popular Problems

Rank	Topic	Problem	Formatted Problem
15701	Multiply the Matrices	4[[12,8]]	$4 [\begin{array}{c} 12 & 8 \end{array}]$
15702	Subtract the Matrices	[[4],[71],[18]]-[[-67],[45],[-24]]	$[\begin{array}{c} 4 \\ 71 \\ 18 \end{array}] - [\begin{array}{c} - 67 \\ 45 \\ - 24 \end{array}]$
15703	Multiply the Matrices	[[3,5,8],[0,4,-1],[3,1,0]]-[[-2,3,-2],[-4,2,3],[7,-8,4]]	$[\begin{array}{c} 3 & 5 & 8 \\ 0 & 4 & - 1 \\ 3 & 1 & 0 \end{array}] - [\begin{array}{c} - 2 & 3 & - 2 \\ - 4 & 2 & 3 \\ 7 & - 8 & 4 \end{array}]$
15704	Find R(C(x))	R(x)=1100x-x^2 , C(x)=3100+30x	$R (x) = 1100 x - x^{2}$ , $C (x) = 3100 + 30 x$
15705	Find g(f(x))	f(x) = natural log of x , g(x)=e^(5x)	$f (x) = \ln (x)$ , $g (x) = e^{5 x}$
15706	Find g(h(x))	g(x)=3x-1 , h(x)=-3x^3-3x^2	$g (x) = 3 x - 1$ , $h (x) = - 3 x^{3} - 3 x^{2}$
15707	Find u(w(x))	u(x)=-2x-2 , w(x)=2x^2+2	$u (x) = - 2 x - 2$ , $w (x) = 2 x^{2} + 2$
15708	Find g(f(x))	f(x)=2(x)-1 , g(x)=x^2	$f (x) = 2 (x) - 1$ , $g (x) = x^{2}$
15709	Find g(f(x))	f(x) = square root of 2x , g(x)=7x-2	$f (x) = \sqrt{2 x}$ , $g (x) = 7 x - 2$
15710	Find g(f(x))	f(x) = square root of x-6 , g(x)=8x-8	$f (x) = \sqrt{x - 6}$ , $g (x) = 8 x - 8$
15711	Find g(f(x))	f(x)=(x-3)/5 , g(x)=5x+3	$f (x) = \frac{x - 3}{5}$ , $g (x) = 5 x + 3$
15712	Find g(f(x))	f(x)=3-2x , g(x)=3x^2+2	$f (x) = 3 - 2 x$ , $g (x) = 3 x^{2} + 2$
15713	Find f(g(x))	f(x)=x-3 , g(x)=x^2-1	$f (x) = x - 3$ , $g (x) = x^{2} - 1$
15714	Find f(g(x))	f(x)=x-6 , g(x)=2x^2	$f (x) = x - 6$ , $g (x) = 2 x^{2}$
15715	Find g(f(x))	f(x)=1/(x^2)-2 , g(x)=1/x	$f (x) = \frac{1}{x^{2}} - 2$ , $g (x) = \frac{1}{x}$
15716	Find g(f(x))	f(x)=1/2x-7 , g(x)=x+6	$f (x) = \frac{1}{2} x - 7$ , $g (x) = x + 6$
15717	Find g(f(x))	f(x)=\|x\| , g(x)=sin(x)	$f (x) = \| x \|$ , $g (x) = \sin (x)$
15718	Graph	r=2cos(3theta)	$r = 2 \cos (3 θ)$
15719	Evaluate the Summation	sum from i=1 to 8 of -6i-1	$\sum_{i = 1}^{8} - 6 i - 1$
15720	Evaluate the Summation	sum from i=2 to 5 of 2i-3	$\sum_{i = 2}^{5} 2 i - 3$
15721	Evaluate the Summation	sum from i=2 to 5 of i-12	$\sum_{i = 2}^{5} i - 12$
15722	Evaluate the Summation	sum from i=3 to 6 of 4i-5	$\sum_{i = 3}^{6} 4 i - 5$
15723	Evaluate the Summation	sum from i=4 to 12 of -7-6i	$\sum_{i = 4}^{12} - 7 - 6 i$
15724	Evaluate the Summation	sum from i=1 to 80 of 2i+1	$\sum_{i = 1}^{80} 2 i + 1$
15725	Evaluate the Summation	sum from i=1 to 9 of i	$\sum_{i = 1}^{9} i$
15726	Evaluate the Summation	sum from i=10 to 25 of -2-8i	$\sum_{i = 10}^{25} - 2 - 8 i$
15727	Evaluate the Summation	sum from i=1 to 8 of 17*0.3^i	$\sum_{i = 1}^{8} 17 {(0.3)}^{i}$
15728	Evaluate the Summation	sum from i=1 to 7 of 6i+2	$\sum_{i = 1}^{7} 6 i + 2$
15729	Evaluate the Summation	sum from i=1 to 8 of 0.5^i	$\sum_{i = 1}^{8} {(0.5)}^{i}$
15730	Evaluate the Summation	sum from i=1 to 8 of (2/3)^i	$\sum_{i = 1}^{8} {(\frac{2}{3})}^{i}$
15731	Evaluate the Summation	sum from i=1 to 50 of -7i+5	$\sum_{i = 1}^{50} - 7 i + 5$
15732	Evaluate the Summation	sum from i=1 to 5 of -5(1/5)^(i-1)	$\sum_{i = 1}^{5} - 5 {(\frac{1}{5})}^{i - 1}$
15733	Evaluate the Summation	sum from i=1 to 50 of 2^(2i)	$\sum_{i = 1}^{50} 2^{2 i}$
15734	Evaluate the Summation	sum from i=1 to 5 of 8i-1	$\sum_{i = 1}^{5} 8 i - 1$
15735	Find the Focus	y^2=-16x	$y^{2} = - 16 x$
15736	Evaluate the Summation	sum from i=1 to 5 of 4i+4	$\sum_{i = 1}^{5} 4 i + 4$
15737	Evaluate the Summation	sum from i=1 to 5 of 3^i-5	$\sum_{i = 1}^{5} 3^{i} - 5$
15738	Evaluate the Summation	sum from i=1 to 40 of i	$\sum_{i = 1}^{40} i$
15739	Evaluate the Summation	sum from i=1 to 4 of 3i-1	$\sum_{i = 1}^{4} 3 i - 1$
15740	Evaluate the Summation	sum from i=1 to 4 of 1/7*(i^2+1)	$\sum_{i = 1}^{4} \frac{1}{7} \cdot (i^{2} + 1)$
15741	Evaluate the Summation	sum from i=1 to 4 of 3i^3+2i-4	$\sum_{i = 1}^{4} 3 i^{3} + 2 i - 4$
15742	Evaluate the Summation	sum from i=1 to 4 of 5i+1	$\sum_{i = 1}^{4} 5 i + 1$
15743	Evaluate the Summation	sum from i=1 to 300 of 2i	$\sum_{i = 1}^{300} 2 i$
15744	Evaluate the Summation	sum from i=1 to 4 of 2i+6i^2	$\sum_{i = 1}^{4} 2 i + 6 i^{2}$
15745	Evaluate the Summation	sum from i=1 to 35 of 3i-13	$\sum_{i = 1}^{35} 3 i - 13$
15746	Evaluate the Summation	sum from i=1 to 300 of i	$\sum_{i = 1}^{300} i$
15747	Evaluate the Summation	sum from i=1 to 4 of 1/(i+4)	$\sum_{i = 1}^{4} \frac{1}{i + 4}$
15748	Evaluate the Summation	sum from i=1 to 11 of 6*2^i	$\sum_{i = 1}^{11} 6 \cdot 2^{i}$
15749	Evaluate the Summation	sum from i=1 to 11 of i	$\sum_{i = 1}^{11} i$
15750	Evaluate the Summation	sum from i=1 to 13 of 2i	$\sum_{i = 1}^{13} 2 i$
15751	Evaluate the Summation	sum from i=1 to 17 of 1+(-1)^i	$\sum_{i = 1}^{17} 1 + {(- 1)}^{i}$
15752	Evaluate the Summation	sum from i=1 to 20 of 3-2(i-3)	$\sum_{i = 1}^{20} 3 - 2 (i - 3)$
15753	Evaluate the Summation	sum from i=1 to 20 of 3i+7	$\sum_{i = 1}^{20} 3 i + 7$
15754	Evaluate the Summation	sum from i=1 to 25 of 2i	$\sum_{i = 1}^{25} 2 i$
15755	Evaluate the Summation	sum from i=1 to 18 of 1+(-1)^i	$\sum_{i = 1}^{18} 1 + {(- 1)}^{i}$
15756	Evaluate the Summation	sum from i=1 to 19 of 7i+5	$\sum_{i = 1}^{19} 7 i + 5$
15757	Evaluate the Summation	sum from i=1 to 20 of -2i+14	$\sum_{i = 1}^{20} - 2 i + 14$
15758	Evaluate the Summation	sum from i=1 to 25 of 5i-9	$\sum_{i = 1}^{25} 5 i - 9$
15759	Evaluate the Summation	sum from 1 to 10 of (x-14)^2	$\sum_{1}^{10} {(x - 14)}^{2}$
15760	Evaluate the Summation	sum from 1 to 50 of -9i+4	$\sum_{1}^{50} - 9 i + 4$
15761	Find the 6th Term	0 , 3 , 8 , 15 , 24	$0$ , $3$ , $8$ , $15$ , $24$
15762	Find the 6th Term	1 , 4 , 7 , 10 , 13	$1$ , $4$ , $7$ , $10$ , $13$
15763	Find the 6th Term	1 , 4 , 9 , 16 , 25	$1$ , $4$ , $9$ , $16$ , $25$
15764	Find the 6th Term	2000 , 200 , 20 , 2	$2000$ , $200$ , $20$ , $2$
15765	Find the 6th Term	3 , -6 , 12 , -24	$3$ , $- 6$ , $12$ , $- 24$
15766	Find the 7th Term	-3/2 , 3 , -6 , 12 , -24 , 48	$- \frac{3}{2}$ , $3$ , $- 6$ , $12$ , $- 24$ , $48$
15767	Find the 6th Term	3 , -9 , 27 , -81 , 243	$3$ , $- 9$ , $27$ , $- 81$ , $243$
15768	Find the 7th Term	-4 , 12 , -36 , 108 , -324	$- 4$ , $12$ , $- 36$ , $108$ , $- 324$
15769	Find the 7th Term	8 , -16 , 32 , -64 , 128	$8$ , $- 16$ , $32$ , $- 64$ , $128$
15770	Find the 4th Term	3/2 , 3/4 , 3/8	$\frac{3}{2}$ , $\frac{3}{4}$ , $\frac{3}{8}$
15771	Find the 4th Term	2 , 8 , 14	$2$ , $8$ , $14$
15772	Evaluate the Summation	sum from 0 to 28 of (-1)^n*(2n)	$\sum_{0}^{28} {(- 1)}^{n} \cdot (2 n)$
15773	Evaluate the Summation	sum from i=0 to 3 of 2^ii	$\sum_{i = 0}^{3} 2^{i} i$
15774	Evaluate the Summation	sum from g=6 to 8 of 5g	$\sum_{g = 6}^{8} 5 g$
15775	Evaluate the Summation	sum from i=0 to 8 of 256+(3/2)^i	$\sum_{i = 0}^{8} 256 + {(\frac{3}{2})}^{i}$
15776	Evaluate the Summation	sum from i=0 to 4 of 5.4i+6.6	$\sum_{i = 0}^{4} 5.4 i + 6.6$
15777	Evaluate the Summation	sum from 4 to 18 of 6x-1	$\sum_{4}^{18} 6 x - 1$
15778	Evaluate the Summation	sum from 3 to 7 of 6-4n	$\sum_{3}^{7} 6 - 4 n$
15779	Evaluate the Summation	sum from 6 to 6 of 4	$\sum_{6}^{6} 4$
15780	Evaluate the Summation	sum from 7 to 233 of 3n-2	$\sum_{7}^{233} 3 n - 2$
15781	Evaluate the Summation	sum from 11 to 54 of 3i+6	$\sum_{11}^{54} 3 i + 6$
15782	Evaluate the Summation	sum from 0 to 100 of sin(x)	$\sum_{0}^{100} \sin (x)$
15783	Evaluate the Summation	sum from 0 to 20 of 3(3/2)^0	$\sum_{0}^{20} 3 {(\frac{3}{2})}^{0}$
15784	Evaluate the Summation	sum from 1 to 3 of 3i+1	$\sum_{1}^{3} 3 i + 1$
15785	Write in Standard Form	x^2+y^2=4	$x^{2} + y^{2} = 4$
15786	Identify the Sequence	7 , 14 , 28 , 56	$7$ , $14$ , $28$ , $56$
15787	Identify the Sequence	-7 , 6 , 19 , 32	$- 7$ , $6$ , $19$ , $32$
15788	Identify the Sequence	60 , -10 , 5/3 , -5/18	$60$ , $- 10$ , $\frac{5}{3}$ , $- \frac{5}{18}$
15789	Identify the Sequence	5 , 25 , 125	$5$ , $25$ , $125$
15790	Identify the Sequence	5 , 11/2 , 6 , 13/2	$5$ , $\frac{11}{2}$ , $6$ , $\frac{13}{2}$
15791	Identify the Sequence	5 , 11/4 , 17/9 , 23/16 , 29/25	$5$ , $\frac{11}{4}$ , $\frac{17}{9}$ , $\frac{23}{16}$ , $\frac{29}{25}$
15792	Identify the Sequence	-4 , -1 , 2 , 5 , 8 , 11 , 14	$- 4$ , $- 1$ , $2$ , $5$ , $8$ , $11$ , $14$
15793	Identify the Sequence	5 , 13 , 21 , 29	$5$ , $13$ , $21$ , $29$
15794	Identify the Sequence	5 , 1 , -3 , -7	$5$ , $1$ , $- 3$ , $- 7$
15795	Identify the Sequence	5 , -25 , 125 , -625	$5$ , $- 25$ , $125$ , $- 625$
15796	Identify the Sequence	-6 , 12 , -24 , 48	$- 6$ , $12$ , $- 24$ , $48$
15797	Find the 4th Term	-11.5 , -7.7 , -3.9	$- 11.5$ , $- 7.7$ , $- 3.9$
15798	Find the 5th Term	2 , 4 , 8 , 16	$2$ , $4$ , $8$ , $16$
15799	Find the 5th Term	30 , -10 , 10/3 , -10/9	$30$ , $- 10$ , $\frac{10}{3}$ , $- \frac{10}{9}$
15800	Find the 5th Term	3 , 5 , 7 , 9	$3$ , $5$ , $7$ , $9$