What is the slope of the line shown in the graph? 1) -1 2) -2 3) -1/2 4) 2
1 answer:
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Cross multiplication!
= 
7 × 24 = 8x
168 = 8x
Divide both sides by 8 to isolate x
= 
8 and 8 cancels out
21 = x
7 × 24 = 8x
168 = 8x
Divide both sides by 8 to isolate x
8 and 8 cancels out
21 = x
To answer this question set up a ratio of the perimeter to the area for the small quadrilateral (48 cm:96 square cm). Create an equivalent ratio with the perimeter of the larger quadrilateral to the area of the larger a quadrilateral (60 cm:x square cm). Use cross products to answer this. See the attached work.
