Which statements about the ellipse are true? select three options. the center is at (−4, 2). the distance between the center and each covertex is 3 units. the vertices are at (−7, 1) and (−1, 1). each focus is approximately 2.65 units above or below the center. the directrices are horizontal lines approximately 6 units from the center on the major axis

i think c. but don't trust it.

step-by-step explanation:

check above link.

graphically?   well, you graph them both, the solutions is where they both intersect each other, since there are two solutions, meaning they will meet twice, or namely the linear will run into the quadratic curve twice, and where they meet, those x,y coordinates are the solutions to the system.

u = -(6/7)w

step-by-step explanation:

place all values with 'u' on one side of the equation.

4u + 8w = - 3u + 2w

4u + 3u = 2w - 8w

further simplify the equation by solving the addition and subtraction.

7u = - 6w

make 'u' the independent variable by placing its co-efficient on the right-hand side.

u = - (6/7)w