Consider the calculation of x - y + (-z) where x and z are positive real numbers an y is a negative real number. Which directions of motion for this calculation?

Is the final answer positive or negative, or undetermined?

Simplify the expression. enter the correct answer.

Which statement explains how you could use coordinate geometry to prove that quadrilateral abcd is a parallelogram? -5 -4 -3 -2 -1 t 1 2 3 4 prove that all sides are congruent and have slopes that are opposite reciprocals prove that segments ad and ab are congruent and parallel prove that opposite sides are congruent and have equal slopes prove that segments bc and cd are congruent and parallel

These tables represent a quadratic function with a vertex at (0, -1). what is the average rate of change for the interval from x = 9 to x = 10?