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)`?