Solve this system of equations, then determine what y equals. x + 5y= 7
2x + 4y = -4
O y=
y=-18
Oy=3
y=3
y=8
Oy=
y=-8

The radical equation 2+√2x-3 = √x+7 has a solution set [x= a0} and an extraneous root x = a1.

Quadrilateral abcd in the figure below represents a scaled-down model of a walkway around a historic site. quadrilateral efgh represents the actual walkway. abcd is similar to efgh. what is the total length, in feet of the actual walkway?

Solve each quadratic equation by factoring and using the zero product property. 14x - 49 = x^2