Answers created by Maggie

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• How do you solve #2x^2+3x=20# by completing the square?
  
• How do you factor the expression # 15x^2 - 33x - 5#?
  
• If a particle moves according to the equation #s = t3 – 6t2 + 9t – 5#, how do you find the acceleration when the velocity is #0# (#s# is in cm).?
  
• What are neutrinos? Where are they found?
  
• When energy (in any of its forms) enters a black-hole, is that energy destroyed or absorbed?
  
• Calculate energy of transition from n=3 to n=1. What region of electromagnetic spectrum is this radiation found?
  
• How do you differentiate #f(x)=(x-e^x)(cosx+2sinx)# using the product rule?
  
• How do you balance #HCl + Ba(OH)_2 -> BaCl_2 + H_2O#?
  
• What's the LCM of 6 and 8?
  
• How many joules are required to heat 250 grams of liquid water from 0°C to 100°C?
  
• How does weak force differ from the other fundamental forces?
  
• How do you find all the zeros of #4x^3-4x^2-9x+9# with 1 as a zero?
  
• How do you find #abs( -4+2i )#?
  
• What is the derivative of #y =x^2-5x+10#?
  
• How does asteroseismology work?
  
• How do you find the roots of #x^2-x=6#?
  
• Question #02291
  
• What is the standard form of #y=(x+3)(x^2 - 3x + 9) #?
  
• Question #664de
  
• What is the vertex form of #y=6x^2+13x+3 #?
  
• How do you solve #3 cos theta = 2#?
  
• How do you find the y intercept of an exponential function #q(x) = -7^(x-4) -1#?
  
• Why is Jupiter red in appearance?
  
• Why is the Universe still expanding so quickly?
  
• Why do astronomers try to find the distance to stars using parallax?
  
• How do you write #csc(2x) / tanx# in terms of sinx?
  
• How many elements is the earth made of?
  
• What is the vertex of # y= -3x^2-x-2(3x+5)^2#?
  
• How do you factor #2(t-s)+4(t-s)^2-(t-s)^3#?
  
• How do you factor the expression #5x^2 + 14x - 3#?
  
• Will the universe collapse back into itself?
  
• How do you implicitly differentiate #-1=xy^2+x^2y-e^y-sec(xy) #?
  
• How do you find the exact value of #arccos(sin(3*pi/2))#?
  
• How do you simplify #15^12-15^11#?
  
• What are the local extrema, if any, of #f(x) =x^2 + 9x +1 #?
  
• How can the universe be infinite?
  
• A #15# #kg# block of steel is at rest on a smooth, horizontal, icy surface. What net force must applied to the block so that it accelerates at #0.6##m##/##s^2#?
  
• What is the equation of the line tangent to #f(x)= x^5-e^x # at #x=2#?
  
• How do you express #(-2x-3)/(x^2-x) # in partial fractions?
  
• How far away is Jupiter from Saturn?
  
• What is the equation of the parabola that has a vertex at # (-4, 4) # and passes through point # (6,104) #?
  
• What is the vertex form of #y=-3x^2-2x+1#?
  
• How do you solve #5x+3y = -5# and #7x+5y = -11# using matrices?
  
• What is an organic compound called that is used to store energy and forms important parts of biological membranes?
  
• What are the local maxima and minima of #f(x)= (x^2)/(x-2)^2#?
  
• How can you determine the diameter of the sun?
  
• How do you graph the system #x - 4y >= -4# and #3x + y <= 6#?
  
• A diver launches off of a 25 m cliff with a speed of 5 m/s and an angle of 30° from the horizontal. How long does it take the diver to hit the water?
  
• How do you express #(x²+2) / (x+3) # in partial fractions?
  
• What additional layer is found around the outside of plant cells and bacteria?
  
• How do you find the limit of # (1-cos(x))/x# as x approaches 0?
  
• How does the wave mechanical model of the atom differ from the bohr model?
  
• What is #cot(\theta/2)=x#, as solved for #\theta#?
  
• What is #cot(theta/2)# in terms of trigonometric functions of a unit #theta#?
  
• What is the equation of the line tangent to #f(x)=(5+4x)^2 # at #x=7#?
  
• Question #04c37
  
• How do you express #0.0001/0.04020# as a decimal?
  
• Question #e395e
  
• How do you convert x=3 to polar form?
  
• What are the pointsof inflection of #f(x)=x^3+3x^2 - (27/x^2)#?
  
• How do you prove: #secx - cosx = sinx tanx#?