Triangle ABC is dilated using D as the center of dilation with scale factor 2. The image is triangle A′B′C′. Clare says the two triangles are congruent, because their angle measures are the same. Do you agree? Explain how you know.

Given the points a(-2, 1) and b(8, 6), find the coordinates of the point c on directed line segment ab, that partitions ab in the ration 2: 3.

For a house call, a veterinarian charges $70, plus $40 an hour. a. write an equation that represents the total fee y y (in dollars) the veterinarian charges for a visit lasting x x hours. equation: y= y= no response given b. find the x-intercept. x-intercept:

Graph each quadratic function and identify its key characteristics. f(x) = x^2 - 2x - 3