2. On the number line below. the numbers a and b are the same distance from 0. What is a + b? Explain how you know.​

The variable in a relation who’s value depends on the value of the independent variable is called what?

Select the quadratic that has root x = 8 and x = -5

Is there a direction u in which the rate of change of f(x, y)equals=x squared minus 3 xy plus 4 y squaredx2−3xy+4y2 at p(1,2) equals 14? give reasons for your answer. choose the correct answer below. a. no. the given rate of change is smaller than the minimum rate of change. b. no. the given rate of change is larger than the maximum rate of change. c. yes. the given rate of change is larger than the minimum rate of change and smaller than the maximum rate of change.