Answers created by G_Dub

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• The axis of symmetry for the graph of the function #f(x)=3x^2+bx+4# is #x=3/2#. What is the value of #b#?
  
• How do you solve # 5x^3-3x^2-20x+12=0 #?
  
• How do you identify the center and radius of the circle #(x+9)^2+(y+1)^2=36#?
  
• What is the vertex form of #y= x^2 + 6x+8 #?
  
• How do you solve #x+sqrt(-2x^2+9)=3# and identify any restrictions?
  
• What is the inverse of #y=ln( x-3)?# ?
  
• What are the asymptotes of #f(x)=-x/((2x-3)(4x-8)) #?
  
• How do you solve the following system: #3x + 2y = 1, 2x - 3y = 10 #?
  
• In a rhombus ABCD, m∠A = 31°. Point O is a point of intersection of diagonals. Find the measures of the angles of triangle ΔBOC. ?
  
• A triangle has vertices A, B, and C. Vertex A has an angle of #pi/2 #, vertex B has an angle of #( pi)/3 #, and the triangle's area is #4 #. What is the area of the triangle's incircle?
  
• How do you find the sum or difference of #(4rxt-8r^2x+x^2)-(6rx^2+5rxt-2x^2)#?
  
• What is the slope of the line passing through the following points: #(2,7) , (-4, -2)#?
  
• What is the solution set of the system #4x+y=12# and #15x+y=45#?
  
• How do you use the properties of logarithms to expand #log_10 (y/2)#?
  
• What is the #6^(th)# term in the recursive formula sequence: #a_1=1#, #a_n=(a_(n−1))^2−10#?
  
• What is the slope of the line normal to the tangent line of #f(x) = e^(x-2)+x-2 # at # x= 0 #?
  
• How do you prove #(1-cos2theta)/(1+cos2theta) = tan^2theta#?
  
• What are the solution(s) of: #3x^2 - 8x + 5 = 0#?
  
• How do you solve the system of equations #-x - y = 12# and #3x - y = - 12#?
  
• How do you simplify #\frac { 10n ^ { 2} - 100n } { n ^ { 2} - 15n + 50}#?
  
• How do you solve 2/3 sin^2x-cosx=1 on the interval 90 to 180 degrees?
  
• Use summation notation to write the following series?
  
• How do you FOIL #(3x - 2)(2x + 5)#?
  
• How do you simplify #\frac { y ^ { 2} + 9y + 14} { y ^ { 2} + 3y + 2}#?
  
• What is the slope of the line whose equation is 3x-y=4?
  
• How do you solve #-46= 5x - \frac { 1} { 3} x#?
  
• How do you solve #4x^2 - 5x=0# using the quadratic formula?
  
• What is the equation of the line between #(10,3)# and #(-4,12)#?
  
• If Emery has $1400 to invest at 11% per year compounded monthly, how long will it be before he has $2300. If the compounding is continuous, how long will it be?
  
• How do I solve this? Consider the following parametric equations: x = 2sin(θ) - 5 and y = 2sin(θ) Eliminate the parameter θ. Please give your answer in simplest form solved for y.
  
• How do you find the inverse of #y=log(x+2)#?
  
• How do you find the equation of the line tangent to the graph of #F(x)=x^2+2x+1# at (-3,4)?
  
• How do you solve #sqrt(x+1) + 1=sqrt (2x) #?
  
• Angle F and Angle G are supplementary. The measure of Angle G is six and one half times the measure of Angle F. What is the measure of Angle F?
  
• How do you solve #8v ^ { 2} + 8v + 2= 0# using the quadratic formula?
  
• How do you solve #48= - ( 1+ 2r ) - 7( 5r - 7)#?
  
• How do you solve #abs(2x - 6) = 12#?
  
• How do you find the definite integral of #2 / (4+x^2) dx# from #[0, 2]#?
  
• How do you solve the system using the elimination method for 3a + 5b – 7 = 0 and a – 2b – 4 = 0?
  
• What is the standard form for #y = 4(x - 2)^2 - 1#?
  
• 90.5 is 20% of what number?
  
• What is #cot((-3pi)/4)#?
  
• You kick a soccer ball at a initial speed of 28 m/s at a 79 degrees angle above the ground. Calculate the horizontal distance when the ball touches the ground?
  
• If 6x<- 6y which of the following must be true?
  
• How do you simplify #1/(3+sqrt5) #?
  
• How do you prove #(cotA-1)/(cotA+1) = (cosA-sinA)/(cosA+sinA)#?
  
• How do you simplify #(8.2 times 10^4) + (4.1 times 10^4)#?
  
• A rectangle has a perimeter if 46 cm and an area of 120 cm^2. How do you find its dimensions by writing an equation and using the quadratic formula to solve it?
  
• How do you verify the identity: #cosx cscx/cot^2x=Tanx#?
  
• The degrees measures of the angles of a pentagon are consecutive even integers. How do you find the measure of the largest angle?
  
• How do you solve #27= ( 37- x ) ^ { \frac { 3} { 2} }#?
  
• How do you solve #\frac { x } { x - 1} - \frac { 3} { 2x - 2} = \frac { 1} { 2}#?
  
• How do you simplify #6(2y+8)+3(4y+9)#?
  
• How do you solve #3x²=15x#?
  
• What is the sum of the geometric sequence -3 18 -108.... If there are 8 terms?
  
• How do you simplify the expression #2 - 8(-7 + x)+ 5x#?
  
• Double angle formula question... Can I please get some help?
  
• How do you express the complex number in trigonometric form: 5-5i?
  
• What is the domain of the function e^sin(x) and the range?
  
• Kelton can type 64 words in 30 minutes. How many words can he type in an hour and a half?
  
• How do you simplify #6 + 3[(12 / 4) + 5]#?
  
• How do you solve #(2 + 5/x) = (3/x^2)#?
  
• How do you solve #5( 6n - 5) = 30#?
  
• What is the slope of #2y=-4y+x+23#?
  
• What is the slope of the line passing through the following points: #(0, -5) , (4, -1) #?
  
• Find the value of y if the line through the two given points is to have the indicated slope? (−1,y) (−2,2), m=-3
  
• What is #(sqrt(5)-1)^2#?
  
• If #f(x)=4x^-5# and #g(x)=x^3/4#, then what is g(g(x))?
  
• How do you evaluate #7.575+ 2.3n - 3.845- 0.2= 1.1+ 1.4n#?
  
• How do you graph using the intercepts for #2x+y=19#?
  
• How do you simplify #(3y)/(3y^2-6y)#?
  
• How do you use transformation to graph the sin function and determine the amplitude and period of #y=5sinx#?
  
• Given y inversely proportional to x and x = 3 for y = 6, what is x if y = 9?
  
• A land mass is roughly in the shape of a rectangle whose perimeter is 1100 miles. The width is 110 miles less then the length. What is the width?
  
• How do you solve #2+b<10#?
  
• The diameter of a circle is 35cm.find its cirumference?
  
• The point (2k-8,10)lies on the Y axis.find the value of k?
  
• The height of a ball (in meters) #t# seconds after it is thrown is given by #y(t)=-4.9t^2+11.6t+22.5#. From what height was the ball thrown?