Candice is deriving the quadratic formula. Her first few steps are pictured below. In her next step, Candice needs to complete the square to create a perfect square trinomial. What expression should she add to both sides of the equation? ax? + bx+c=0 ax2 + bx = -c bx с ile a a

In the following diagram it is given that dec,ab || dc, ad || eb, and ad is congruent to bc. a)why isn't abc a parallelogram even though it has a pair of parallel sides and a pair of congruent sides b)explain why be must be congruent to bc. further explain what type of triangle this makes triangle abc and what it tells you about angle 1 and angle 2c) finally why must angle 3 be congruent to angle 1? further, explain why we know that angle 3 is congruent to angle 2

Jane moves from a house with 71 square feet of closet space to an apartment with 45.44 square feet of closet space. what is the percentage decrease of jane’s closet space?

2. explain in words how you plot the point (4, −2) in a rectangular coordinate system.