(Score for Question 3: of 6 points)
3. Rectangles ABCD and QRST are similar.
42 cm
Q
28 cm
R
21 cm
1 cm
14 cm
s
D
(a) Determine the scale factor applied to rectangle ABCD to create rectangle QRST Show your work!
(b) Reproduce rectangle ABCD at a scale of j Show your work and label measurements for each
side of your rectangle.
Answer
Given that y varies directly to the square root of (x + 1), and that y = 1 when x = 8,(a)express y in terms of .x,(b)find the value of y when x = 3,(c)find the value of x when y = 5.