Mathway | Popular Problems

Popular Problems

Rank	Topic	Problem	Formatted Problem
149901	Solve by Addition/Elimination	-x-3y=6x+3y=6	$- x - 3 y = 6 x + 3 y = 6$
149902	Solve by Addition/Elimination	-x-4y=8x+4y=8	$- x - 4 y = 8 x + 4 y = 8$
149903	Solve by Addition/Elimination	x=4y*3x-2y=20	$x = 4 y \cdot 3 x - 2 y = 20$
149904	Solve by Addition/Elimination	x+y=-7x-y=18	$x + y = - 7 x - y = 18$
149905	Solve by Addition/Elimination	x+y=3y=x^2-6x+9	$x + y = 3 y = x^{2} - 6 x + 9$
149906	Solve by Addition/Elimination	x+y=13x-y=5	$x + y = 13 x - y = 5$
149907	Solve by Addition/Elimination	x+y=-4x-y=10	$x + y = - 4 x - y = 10$
149908	Solve by Addition/Elimination	x+5y=108x+40y=80	$x + 5 y = 108 x + 40 y = 80$
149909	Solve by Addition/Elimination	-x+5y=-45x-25y=20	$- x + 5 y = - 45 x - 25 y = 20$
149910	Solve by Addition/Elimination	-x+4y=-22x-8y=4	$- x + 4 y = - 22 x - 8 y = 4$
149911	Solve by Addition/Elimination	-x+3y-3z=62x-4y+z=-22-3x+2y-4z=3	$- x + 3 y - 3 z = 62 x - 4 y + z = - 22 - 3 x + 2 y - 4 z = 3$
149912	Solve by Addition/Elimination	-x+4y+3z=0x-2y+z=-8-2x+3y+4z=-4	$- x + 4 y + 3 z = 0 x - 2 y + z = - 8 - 2 x + 3 y + 4 z = - 4$
149913	Solve by Addition/Elimination	-x+3y+4z=0x+y-2z=-8-2x+4y+3z=-4	$- x + 3 y + 4 z = 0 x + y - 2 z = - 8 - 2 x + 4 y + 3 z = - 4$
149914	Solve by Addition/Elimination	x+3y=1-3x-3y=-15	$x + 3 y = 1 - 3 x - 3 y = - 15$
149915	Solve by Addition/Elimination	x+3y=-14x+4y=-4	$x + 3 y = - 14 x + 4 y = - 4$
149916	Find the Equation Using Two Points	(1,9) , (7,3)	$(1, 9) (7, 3)$
149917	Determine if Injective (One to One)	f(x)=7x-1	$f (x) = 7 x - 1$
149918	Determine if Injective (One to One)	f(x)=8x-3	$f (x) = 8 x - 3$
149919	Determine if Injective (One to One)	f(x)=-x^2+9	$f (x) = - x^{2} + 9$
149920	Determine if Injective (One to One)	f(x)=3x^3-7	$f (x) = 3 x^{3} - 7$
149921	Determine if Injective (One to One)	f(x)=5x+7	$f (x) = 5 x + 7$
149922	Determine if Injective (One to One)	f(x)=9/(x-7)	$f (x) = \frac{9}{x - 7}$
149923	Determine if Injective (One to One)	f(x)=2.8^x	$f (x) = {2.8}^{x}$
149924	Determine if Injective (One to One)	f(x)=2x+7	$f (x) = 2 x + 7$
149925	Find the Vertex Form	x^2-9x-5	$x^{2} - 9 x - 5$
149926	Find the Trig Value	cos(x)=4/9	$\cos (x) = \frac{4}{9}$
149927	Find the Variables	[[w+2,x],[y,z-2]]+[[3,-2],[-1,4]]=[[10,3],[5,6]]	$[\begin{array}{c} w + 2 & x \\ y & z - 2 \end{array}] + [\begin{array}{c} 3 & - 2 \\ - 1 & 4 \end{array}] = [\begin{array}{c} 10 & 3 \\ 5 & 6 \end{array}]$
149928	Find the Vertex Form	-2x^2+4x-5	$- 2 x^{2} + 4 x - 5$
149929	Find the Vertex Form	-2x^2+8x+3	$- 2 x^{2} + 8 x + 3$
149930	Find the Vertex Form	-2x^2+20x-47	$- 2 x^{2} + 20 x - 47$
149931	Find the Vertex Form	-2x^2+12x-14	$- 2 x^{2} + 12 x - 14$
149932	Find the Vertex Form	2x^2+4x-16	$2 x^{2} + 4 x - 16$
149933	Find the Vertex Form	x^2+2x-120	$x^{2} + 2 x - 120$
149934	Find the Vertex Form	-x^2+2x-8	$- x^{2} + 2 x - 8$
149935	Find the Vertex Form	x^2+4x-9	$x^{2} + 4 x - 9$
149936	Find the Vertex Form	x^2+6x+13	$x^{2} + 6 x + 13$
149937	Find the Vertex Form	-3x^2+6x-8	$- 3 x^{2} + 6 x - 8$
149938	Find the Vertex Form	-x^2-6x-7	$- x^{2} - 6 x - 7$
149939	Find the Vertex Form	x^2-7x+4	$x^{2} - 7 x + 4$
149940	Find the Vertex Form	x^2-7x+6	$x^{2} - 7 x + 6$
149941	Find the Vertex Form	-x^2+6x-8	$- x^{2} + 6 x - 8$
149942	Find the Vertex Form	x^2-10x-1	$x^{2} - 10 x - 1$
149943	Find the Vertex Form	x^2+8x-10	$x^{2} + 8 x - 10$
149944	Find the Vertex Form	x^2+8x-7	$x^{2} + 8 x - 7$
149945	Find the Vertex Form	x^2+8x-8	$x^{2} + 8 x - 8$
149946	Determine the Nature of the Roots Using the Discriminant	5x^2-6x+2=0	$5 x^{2} - 6 x + 2 = 0$
149947	Determine the Nature of the Roots Using the Discriminant	7x^2-12x+16=0	$7 x^{2} - 12 x + 16 = 0$
149948	Determine the Nature of the Roots Using the Discriminant	7x^2-18x+12=0	$7 x^{2} - 18 x + 12 = 0$
149949	Determine the Nature of the Roots Using the Discriminant	9x^2-3x+2=0	$9 x^{2} - 3 x + 2 = 0$
149950	Determine the Nature of the Roots Using the Discriminant	x^2+10x+25=0	$x^{2} + 10 x + 25 = 0$
149951	Determine the Nature of the Roots Using the Discriminant	3x^2-5x+2=0	$3 x^{2} - 5 x + 2 = 0$
149952	Determine the Nature of the Roots Using the Discriminant	4x^2-7x+3=0	$4 x^{2} - 7 x + 3 = 0$
149953	Determine the Nature of the Roots Using the Discriminant	4x^2-4x=-1	$4 x^{2} - 4 x = - 1$
149954	Determine the Nature of the Roots Using the Discriminant	3x^2+4x-5=0	$3 x^{2} + 4 x - 5 = 0$
149955	Determine the Nature of the Roots Using the Discriminant	-3x^2-4x+7=0	$- 3 x^{2} - 4 x + 7 = 0$
149956	Determine the Nature of the Roots Using the Discriminant	3x^2-4x+8=0	$3 x^{2} - 4 x + 8 = 0$
149957	Determine the Nature of the Roots Using the Discriminant	3x^2+2x-6=0	$3 x^{2} + 2 x - 6 = 0$
149958	Determine the Nature of the Roots Using the Discriminant	2x^2-7x+1=0	$2 x^{2} - 7 x + 1 = 0$
149959	Determine the Nature of the Roots Using the Discriminant	2x^2-8x+3=0	$2 x^{2} - 8 x + 3 = 0$
149960	Determine the Nature of the Roots Using the Discriminant	-2x^2+7x-1=0	$- 2 x^{2} + 7 x - 1 = 0$
149961	Determine the Nature of the Roots Using the Discriminant	25x^2-10x+1=0	$25 x^{2} - 10 x + 1 = 0$
149962	Determine the Nature of the Roots Using the Discriminant	-2x^2+2x-3=0	$- 2 x^{2} + 2 x - 3 = 0$
149963	Determine the Nature of the Roots Using the Discriminant	x^2+8x+10=0	$x^{2} + 8 x + 10 = 0$
149964	Determine the Nature of the Roots Using the Discriminant	x^2+5x+4=0	$x^{2} + 5 x + 4 = 0$
149965	Determine the Nature of the Roots Using the Discriminant	x^2+4=0	$x^{2} + 4 = 0$
149966	Determine the Nature of the Roots Using the Discriminant	x^2-12=0	$x^{2} - 12 = 0$
149967	Determine the Nature of the Roots Using the Discriminant	x^2-10=0	$x^{2} - 10 = 0$
149968	Determine the Nature of the Roots Using the Discriminant	x^2-5x+3=0	$x^{2} - 5 x + 3 = 0$
149969	Determine the Nature of the Roots Using the Discriminant	x^2-6x+7=0	$x^{2} - 6 x + 7 = 0$
149970	Determine the Nature of the Roots Using the Discriminant	x^2-7x-5=0	$x^{2} - 7 x - 5 = 0$
149971	Determine the Nature of the Roots Using the Discriminant	x^2-8x+3=0	$x^{2} - 8 x + 3 = 0$
149972	Expand Using Sum/Difference Formulas	cos((14pi)/15)cos((23pi)/30)+sin((14pi)/15)sin((23pi)/30)	$\cos (\frac{14 π}{15}) \cos (\frac{23 π}{30}) + \sin (\frac{14 π}{15}) \sin (\frac{23 π}{30})$
149973	Identify the Conic	16x^2-25y^2-400=0	$16 x^{2} - 25 y^{2} - 400 = 0$
149974	Identify the Conic	21x^2-8 square root of 3xy+13y^2=225	$21 x^{2} - 8 \sqrt{3} x y + 13 y^{2} = 225$
149975	Identify the Conic	2x^2+2y^2-12x+8y-24=0	$2 x^{2} + 2 y^{2} - 12 x + 8 y - 24 = 0$
149976	Identify the Conic	25x^2-16y^2=400	$25 x^{2} - 16 y^{2} = 400$
149977	Identify the Conic	4x^2+9y^2+24x-36y+36=0	$4 x^{2} + 9 y^{2} + 24 x - 36 y + 36 = 0$
149978	Identify the Conic	4x^2+4y^2-6x+8y-10=0	$4 x^{2} + 4 y^{2} - 6 x + 8 y - 10 = 0$
149979	Identify the Conic	4y^2+16y+4x^2-24y=12	$4 y^{2} + 16 y + 4 x^{2} - 24 y = 12$
149980	Identify the Conic	4x^2-9y^2-18x+3y-12=0	$4 x^{2} - 9 y^{2} - 18 x + 3 y - 12 = 0$
149981	Identify the Conic	4x-8+y^2+4y=0	$4 x - 8 + y^{2} + 4 y = 0$
149982	Identify the Conic	3x^2+3y^2+12x-6y-21=0	$3 x^{2} + 3 y^{2} + 12 x - 6 y - 21 = 0$
149983	Identify the Conic	2x^2+y^2-4x-4=0	$2 x^{2} + y^{2} - 4 x - 4 = 0$
149984	Identify the Conic	36x^2+49y^2=1764	$36 x^{2} + 49 y^{2} = 1764$
149985	Determine if the Expression is a Factor Using Synthetic Division	100x^3-600x^2-9x+54 ; x-6	$100 x^{3} - 600 x^{2} - 9 x + 54$ ; $x - 6$
149986	Graph the Interval	(-1,5) intersect [0,8]	$(- 1, 5) \cap [0, 8]$
149987	Graph the Interval	(negative infinity,2) intersect (negative infinity,5)	$(- \infty, 2) \cap (- \infty, 5)$
149988	Identify the Conic	9x^2=81-9y^2	$9 x^{2} = 81 - 9 y^{2}$
149989	Identify the Conic	-9x^2+25y^2-100y-125=0	$- 9 x^{2} + 25 y^{2} - 100 y - 125 = 0$
149990	Identify the Conic	9x^2-36x+4y^2=0	$9 x^{2} - 36 x + 4 y^{2} = 0$
149991	Identify the Conic	6x^2+24x+2y-10=0	$6 x^{2} + 24 x + 2 y - 10 = 0$
149992	Identify the Conic	7x^2+3y^2-42x+6y-39=0	$7 x^{2} + 3 y^{2} - 42 x + 6 y - 39 = 0$
149993	Identify the Conic	8x^2-2xy+4y^2+20x-5y-12=0	$8 x^{2} - 2 x y + 4 y^{2} + 20 x - 5 y - 12 = 0$
149994	Identify the Conic	x^2+y^2=225	$x^{2} + y^{2} = 225$
149995	Identify the Conic	x^2+y^2-4x-6y+4=0	$x^{2} + y^{2} - 4 x - 6 y + 4 = 0$
149996	Identify the Conic	x^2-y^2=121	$x^{2} - y^{2} = 121$
149997	Identify the Conic	x^2-y^2-25=0	$x^{2} - y^{2} - 25 = 0$
149998	Determine if a Polynomial	4x^2-3x+2/x	$4 x^{2} - 3 x + \frac{2}{x}$
149999	Determine if a Polynomial	3x^2(x-1)+-3x^3+4x^2-2x+1	$3 x^{2} (x - 1) + - 3 x^{3} + 4 x^{2} - 2 x + 1$
150000	Determine if a Polynomial	10g-7g^3+2g^2-5	$10 g - 7 g^{3} + 2 g^{2} - 5$