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What is the vertex of #y = 2x^2 + 8x +5#?

A triangle has corners at #(2 , 5 )#, ( 1, 3 )#, and #( 8, 1 )#. What are the endpoints and lengths of the triangle's perpendicular bisectors?

A line segment has endpoints at #(a, b)# and #(c, d )#. The line segment is dilated by a factor of #r# around #(p,q )#. What are the new endpoints and length of the line segment?

What is #cos[sin^(1)(1/2 ) + cos^(1)(5/13) ]#?

Can we write bar35 or (353535.....) In form of p/q where q is not equal to 0 ? Thanks

How do you combine like terms in #3\log x + \log _ { 4}  \log x  \log 6#?

How do you find the exact value of #cos 36^@# using the sum and difference, double angle or half angle formulas?

Simplify completely: #1  2sin^2 20°# ?

How do you find the quotient of #(x^3+3x^23x2)div(x1)# using long division?

Someone explain?

If the diameter of a circle is #1.3*10^12# meters, then what is its radius?

How do you simplify #(2a^2b^7c^10)/(6a^5b^2c^3)#?

A triangle has corners at #(5 , 5 )#, #(9 ,4 )#, and #(1 ,8 )#. What is the radius of the triangle's inscribed circle?

Use DeMoivre's Theorem to find the twelfth (12th) power of the complex number, and write result in standard form?

Solve the triangle? when A = 24.3 B = 14.7 C = 18.7

How do I solve 2sinx = cos (x/3)?

How do you find the exact value of #cos58# using the sum and difference, double angle or half angle formulas?

Solve the eqn 25 cos x = 16 sin x tan x for 0 < or = x < or = 360. Could anyone help me on this?

Triangle A has an area of #15 # and two sides of lengths #4 # and #9 #. Triangle B is similar to triangle A and has a side of length #7 #. What are the maximum and minimum possible areas of triangle B?

Prove #(sin x  csc x)^2 = sin^2x + cot^2x  1.# Can anyone help me on this?

How do you find the area of a triangle given two sides?

Barfield is 7km north and 8km east of Westgate. The bearing to get from Westgate to Barfield is 041.2, and Lauren sails at a bearing of 043. She stops when she is due North of Barfield. How far away is she from Barfield?

How to find h in terms of x?

How do you find the axis of symmetry and vertex point of the function: #y=2x^2 + 1#?

If the angle #10# is in standard position, which quadrant does it terminate?

Tan3x=3TanxTan^3x by 13tan^2x
Prove it?

Each rectangle is 6cm long and 3cm wide, they share a common diagonal of PQ.
How do you show that #tanalpha = 3/4#?

How do you simplify #root3(1)#?

An isosceles triangle has sides A, B, and C with sides B and C being equal in length. If side A goes from #(1 ,4 )# to #(5 ,1 )# and the triangle's area is #15 #, what are the possible coordinates of the triangle's third corner?

A triangle has corners A, B, and C located at #(3 ,5 )#, #(2 ,9 )#, and #(4 , 8 )#, respectively. What are the endpoints and length of the altitude going through corner C?

How do I simplify sin(arccos(sqrt(2)/2)arcsin(2x))?

Given #costheta=24/25# and #270<theta<360#, how do you find #cos(theta/2)#?

How do you simplify 2cos^2(4θ)1 using a doubleangle formula?

How do you solve cos2θ+3cosθ+2=0 ?

How to solve 2×exp(x)+2x7=0 ?

Sin theta /x = cos theta /y then sin theta  cos theta=?

1+tanA/sinA+1+cotA/cosA=2(secA+cosecA)?

How to verify
Cos2x/(1+sin2x)=tan(pi/4x)?

How do you divide #(9i5) / (2i+6)# in trigonometric form?

What is the distance between #(4,2,12)# and #(4,3,12)#?

Sin^4x cos^4x= cos3x
Could you solve this?

How do you solve #\frac{3}{2x4}\frac{2}{x^{2}x2}=\frac{9}{x+1}#?

A triangle has sides A, B, and C. Sides A and B have lengths of 10 and 8, respectively. The angle between A and C is #(13pi)/24# and the angle between B and C is # (pi)24#. What is the area of the triangle?

A line segment has endpoints at #(9 ,3 )# and #(5 ,4 )#. The line segment is dilated by a factor of #3 # around #(4 ,6 )#. What are the new endpoints and length of the line segment?

An isosceles triangle has sides A, B, and C with sides B and C being equal in length. If side A goes from #(7 ,1 )# to #(2 ,9 )# and the triangle's area is #32 #, what are the possible coordinates of the triangle's third corner?

Let sin(4x1=cos(2x+7) write and solve an equation to the value of x?

How do you find the amplitude, period, phase shift given #y=2csc(2x1)#?

How do you rationalize the denominator and simplify #3/(sqrt5+sqrt6)#?

How to solve 3sin2x+2cos2x=3?
Is it possible to convert it to sinx=k?

How do you simplify #5sqrt(25t^2)#?

What is the distance from the origin to the point on the line #y=2x+5# that is closest to the origin?

How long is the third side of a rightangled triangle, if the hypotenuse is #13#cm and the shortest side is #5#cm?

A triangle has corners at #(7 ,2 )#, #(6 ,7 )#, and #(3 ,5 )#. How far is the triangle's centroid from the origin?

If ABC is a triangle with sides a, b , c and opposite angles alpha, beta and gamma.
If alpha=3*beta, prove that (ab)^2*(a+b)=b*c^2?

How do you solve the triangle if C=36 degrees, B=24, and a=9 cm?

How many teams can you make from 131 people if there are 7 people in a team?

How do you solve: sin2θ + cosθ = 0 between 0 and 2pi?

Please help!!! this is a multiple choice. determine the minimum value of the function f(x)=e^(x)2e^x on the interval 1≤x≤2.?

A triangle has corners at #(4 , 1 )#, ( 2, 4 )#, and #( 0, 2 )#. What are the endpoints of the triangle's perpendicular bisectors?

If A+B+C=90° then prove that #sin^2 (A/2)+sin^2 (B/2) + sin^2 (C/2) = 12sinA.sinB.sinC# ?

Quadratics question?

What is the centroid of a triangle with vertices at #(a, b)#, #(c, d)#, and #(e, f)#?

If #a^3+b^3=8# and #a^2+b^2=4# what is the value of #(a+b)#?

Please help me in this writing
???

Find the equation of the tangent to the curve y= 2√x perpendicular to the straight line y+4x4=0 ?

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