Chapter 8: Q1. (page 414)
Explain how you can determine in which quadrant the midpoint of the segment with endpoints at (- 6, 8) and (4, 3) lies without actually calculating the coordinates.
The midpoint will be in the 2nd quadrant.
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Use the equation to find the y-intercept.
Identify the coordinates of the vertex and focus, the equations of the axis of symmetry and directrix, and the direction of opening of the parabola with the given equation . Then find the length of latus rectum and graph the parabola.
Write an equation for the parabola having vertex and focus . Then draw the graph.
WOODWORKING A stage crew is making the set for a children’s play. They want to make some gingerbread shapes out of some leftover squares of wood with sides measuring 1 foot. They can make taller shapes by cutting them out of the wood diagonally. To the nearest inch, how tall is the gingerbread shape in the drawing at the right?
Find the distance between the pair of points with the given coordinates .
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