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WorksheetsHoliday Break Extra credit 1
Total questions: 10
Worksheet time: 37mins
I can join video club A for $25.00 and rent videos for $1.00 each. Or, I can join video club B for $15.00 and rent videos for $2.00 each. Write an equation that could be used to determine how many rentals would be needed for the price to be equal.
25 - x = 15 - 2x
25 + 15 = x + 2x
25x + 1 = 15x + 2
25 + x = 15 + 2x
The algebraic representation shown is used to dilate a quadrilateral with vertices A(-2,8) B(-2,0) C(12,0) and D(6,8).
(x,y) → (½x,½y)
What are the new coordinates of the vertices of A'B'C'?
A' (-1,4) B' (-1,0) C'(6,0) D'(3,4)
A' (1,4) B' (1,0) C'(-6,0) D'(-3,4)
A' (1,-4) B' (1,0) C'(-6,0) D'(-3,-4)
A' (-1,-4) B' (-1,0) C'(6,0) D'(3,-4)
Triangle KLM has vertices K(5,4) L(-3,7) and M(2,13). Triangle KLM is dilated by a scale factor of 1.5 with the origin as the center of dilaton. The image of Triangle KLM after this dilationis Triangle K'L'M'. What are the coordinates of L' ?
(-4.5,10.5)
(-1.5,8.5)
(-1.5,3.5)
(0,0)
