What is x⁴-4ײ+2=0 using the quadratic formula?

Tell me how you got the it use the figures to answer questions 1and 2. in each diagram, line k is parallel to line l, and line t intersects lines. 1. based on the diagrams, what is the value of x? 2. how would you verify your answer for x?

If a || b and e || f , what if the value of y ?

Find the area of an equilateral triangle with a side of 6 inches