Petra is practicing factoring by grouping. She wants to factor the polynomial 16xy - 4x2 + 28y – 7x. Her work is shown below. 16xy - 4x2 + 28y – 7x 4x(4y - x) +7(4y - x) (4x + 7)(4y - x) Which statements regarding Petra's work are true? There may be more than one correct answer. Select all correct answers. Petra is correct. | The product of Petra's factors is not the original polynomial. | The monomial 4x is...
Factor by grouping.
What is the graph of the inequality? -4X+4y<4
Find Sla 4x – 4y 52 + y dA, where R is the parallelogram enclosed by the lines 4x – 4y = 0, 4x – 4y = 9, 5x+y=1, 5x + y = 5 Preview Get help: Video Points nossible. 1
xy'=x6ex+4y, y(1)=2
Ð. Solve the following system of linear equations by Gaussian elimination: 4x + 4y + 4z = 8 2x + y + z = 3 2x - 2y + 6z = 16 Show all your work and explain every step of the process.
Calculate the mass of solid E inside the cone z =sqr( ?4x^2 + 4y^2 ) in the sphere of radius 4 whose density is given by δ(x,y,z)=16−x^2 −y^2 −z^2
41. x - xy - 672 x² - 4x²
12x y-16xy +8 4x y 34b. 3y-4x+2c. 12xy-16x + 2 d. 3x-4y+8
A. Find the length of the latus rectum of 4y = x2 + 4x + 8. B. Find the radius of the circle with equation 4x2 + 4y2 - 17x + 17y = 19