Answer:
The unit rate is
Step-by-step explanation:
we know that
The unit rate of the proportional relationship shown in the graph is equal to the slope of the line
The formula to calculate the slope between two points is equal to
we have
Substitute the values
The equation of the linear direct variation is
√23 = a
/ab/²= /ac/²+/bc/² (Pythagoras theorem)
12² = a² +11²
144 = a² + 121
144 - 121 = a²
23 = a²
8(x+4y)
8x+32y
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