782 + 821 = 1,603
2x2 = 4
The rate of change of the linear function whose graph passes through points (-5, -2) and (-2, 6) is: 2.7.
<h3>What is the Rate of Change of a Linear Function?</h3>
The rate of change of a linear function is given as change in y over change in x.
Given the points:
(-5, -2) and (-2, 6)
Change in y = 6 -(-2) = 8 units
Change in x = -2 -(-5) = 3 units
Rate of change = 8/3 = 2.7.
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Given the 2:3 ratio, we know there are 2 witches for every 3 mummies.
Cross multiply to solve the proportion for mummies.
(2/3) = (12/m)
2m = 36
m = 18
There were 18 mummies at the party.