Math

Can you simplify ((2x - 1 - 4ax + 2a) / (2x^2 - x))?

1. (2x - 1) - 2a(2x - 1) / x(2x - 1) 2. (2x - 1)(1 - 2a) / x(2x - 1) 3. 1-2a / x

Can you use your answer to the last question to solve the equation x^2 + 4x + 1 = 0?

1. (x + 2)^2 - 3 = 0 2. (x + 2)^2 = 3 3. x + 2 = √3 4. x = √3 - 2 = -0.268 5. x = -√3 - 2 = -3.73

Can you solve (y = 2 - x y = x^2 + 2x + 2)?

1. 2 - x = x^2 + 2x + 2 2. x^2 + 3x = 0 3. x(x + 3) = 0 4. x = 0 // x = -3 5. Solve for y from there

Can you calculate the volume of water in the cylinder?

1. 5√7 x 2 = 10√7 2. (((10√7)^2 - 20^2 - 20^2) / -2(20)(20)) = cos(triangle) 3. Sector Angle Value = 82.8 4. ((82.8 / 369) x pi x 20^2 x 150) - ((1/2) x 20 x 20 x sin(82.8) x 150) 5. 13590.54ml 6. 13.6l

Can you find OY in terms of t and u?

1. OU + UY 2. UT = UO + OT 3. UT = -u + t 4. UY = 2/3(-u + t) 5. OY = u + 2/3(-u + t)

Can you write x^2 + 4x + 1 in the form (x + p)^2 + q?

1. a = x 2. a^2 + 2ab + b^2 3. 2xb = 4x 4. b = 2 5. (x + 2)^2 + 1 - (2)^2 6. (x + 2^2) - 3

Can you find hf(x), giving your answer in the form ax^2 + bx + c?

1. h(3x - 2) 2. (3x - 2)(3x - 2) + 3x - 2 3. 9x^2 - 12x + 4 + 3x - 2 4. 9x^2 - 9x + 2

Can you calculate the perimeter of the quad lit aerial ABCD?

1. sin25 = AD/14 2. AD = 8.03 3. AB = √DB^2 - AD^2 4. 11.47 5. sin75/14 = sin45/? 6. ? = (sin(45) x 14) / sin75 7. 10.25

Can you calculate the angle between AB and the base of the cube?

1. tan? = 4.91/(4.91 x √2) 2. ? = tan^-1(1/√2) = 35.26 3. 25.3°

Can you factorize x^3 - 16xy^2 completely?

1. x(x^2 - 16y^2) 2. x[(x)^2 - (4y)^2] 3. x[(x + 4y)(x - 4y)]

Can you find f^-1(x)?

1. y = 3x - 2 2. x = 3y - 2 3. 3y = x + 2 4. y = (x + 2) / 3 5. f^-1(x) = (x + 2) / 3

Can you calculate the length of an edge of the cube?

1. √x^2+x^2 2. √2x^2 3. x√2 4. √(x√2)^2 + x^2 = 8.5 5. √2x^2 + x^2 = 8.5 6. x√3 = 8.5 7. x = 85/√3 8. 4.91cm

Can you find OZ in terms of t and/or u?

2/3(t)