Provide the requested proof.In the figure below, BD = CD. Prove that 
What will be an ideal response?
Answers will vary. A sample correct response would be as follows.
By HL, 
and hence 
It follows that 
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Answer the question.List the first four multiples of 5x and of 9x
A. 25x, 30x, 35x, 40x; 45x, 54x, 63x, 72x
B. 5, 
, 
, 
; 9, 
, 3, 
C. 5x, 10x, 15x, 20x; 9x, 18x, 27x, 36x
D. 5, 25, 125, 625; 9, 81, 729, 6561
Find the equation and sketch the graph of the function.A quadratic function with x-intercepts (-2, 0) and (- 4, 0) and y-intercept (0, 8). 
A. y = x2 + 6x + 8
B. y = x2 + 6x - 8
C. y = x2 + 6x - 8
D. y = x2 + 6x + 8
Determine the domain and range of the function.
A. domain: [0, ?); range: [0, ?) B. domain: [0, ?); range: [-3, ?) C. domain: (-?, ?); range: [-3, ?) D. domain: [0, ?); range: (-?, ?)
Use the given conditions to write an equation for the line in point-slope form.Passing through (7, 2) and (4, 3)
A. y - 2 = 7(x + 7) or y - 3 = 4(x - 2)
B. y - 2 = - 
(x - 7) or y - 3 = - 
(x - 4)
C. y + 2 = - 
(x + 7) or y + 3 = - 
(x + 4)
D. y - 2 = - 
(x - 4) or y - 3 = - 
(x - 7)