Answers created by Eivind K.

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• What is the slope of the tangent line of #r=-2sin(3theta)-12cos(theta/2)# at #theta=(-pi)/3#?
  
• How do you solve #2/3r + 3/4 = 7/12#?
  
• How do you simplify #2 sqrt 20 + 45 sqrt20#?
  
• How do you solve #k/3+k/6=7/2#?
  
• How do you find the x and y intercepts for #x + y = -9#?
  
• How do you solve the following linear system: # x + y = 6 , x = y + 2 #?
  
• How do you simplify #4+3(12-9)# using order of operations?
  
• What is the vertex of # y=3x^2 + 6x + 1 #?
  
• How do you simplify #(6 - 1 + 7)# using order of operations?
  
• A trapezoid has a height of 6 cm and bases of 8 and 10 cm. What is the area of the trapezoid?
  
• Triangle ABC have vertices #A(0,4)#, #B(1,2)#, and #C(4,6)#. Is triangle ABC a right triangle?
  
• A rectangular box has two sides whose lengths are 3 centimeters and 9 centimeters and a volume of 135 #cm^3#. What is the area of its largest side?
  
• Is it possible to have an isosceles scalene triangle?
  
• Is an isosceles triangle always, sometimes or never a right triangle?
  
• How do you find the x and y intercepts for #4x+y=8#?
  
• If P (4,-1) is the midpoint of the segment AB, where A (2, 5), what is B?
  
• Triangle XYZ is isosceles. The base angles, angle X and angle Y, are four times the measure of the vertex angle, angle Z. What is the measure of angle X?
  
• How do you simplify #7(5 - 2) + 4 ÷ 2 times 2 +1# using order of operations?
  
• How do you solve #x-y=9# and #2x+2y=2#?
  
• Question #31b65
  
• Brandon has a certain amount of pencils, p. Sophie has 7 fewer pencils than Brandon. How do you write an expression that represents how many pencils Sophie has?
  
• What is the average of 8, 7, 7, 5, 3, 2, and 2?
  
• How do you solve #x(x + 9) = 0#?
  
• How do you simplify # (-6x + 2y - 3) + (2x - 4y - 7)#?
  
• How do you simplify # -4^(-5/2)#?
  
• How do you find the quotient of 5/16 divided by 3/2?
  
• How do find the quotient of #(-4sqrt3 )/( 3sqrt2)#?
  
• Is the following a geometric sequence 1, 5, -25, 125,…?
  
• How to find an equation of the plane through the point (4, -4, -5) and parallel to the plane −3x−4y+3z=−5 ?
  
• How do you evaluate 3√8 + 4√50?
  
• How do you factor #-2x^2 + 1x + 1#?
  
• How do you solve y = 2x + 9 and 2x - y = -9?
  
• How do you solve #-4x+8<1/2x +3#?
  
• How do you solve #3x+4=5x+2 #?
  
• How do you find the amplitude and period of a function #y = sin (pix - 1/2)#?
  
• How do you simplify #(6) (3x-y) - (4)(2x+y)#?
  
• How do you simplify #(-2/3)^-3#?
  
• How do you find the intercepts for #y=-2x+5#?
  
• One day a store sells 30 sweatshirts. white ones cost $9.95 and yellow ones cost $10.50. in all, $310.60 worth of sweatshirts were sold. How many of each color were sold?
  
• How do you simplify (-2) to the 3rd power?
  
• How to simplify #(1.7 times 10^6) (3.7 times 10^3)# in scientific notation?
  
• What are the solution(s) of #2x^2 - 2x = 1#?
  
• How do you evaluate cos(2π/3)?
  
• How do you write #9009# in scientific notation?
  
• What are the extrema of #f(x)=(x - 4)(x - 5)# on #[4,5]#?
  
• How do you simplify #(10^(1/3))^(1/2)#?