SOLUTION: Use th equation of the exponential function whose graph passes through the points (0, -2) and (2, -50) to find the value of y when x = -2

Algebra ->  Exponential-and-logarithmic-functions -> SOLUTION: Use th equation of the exponential function whose graph passes through the points (0, -2) and (2, -50) to find the value of y when x = -2      Log On


   

Question 329970: Use th equation of the exponential function whose graph passes through the points (0, -2) and (2, -50) to find the value of y when x = -2
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
y=Ca%5E%28x%29
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y%280%29=Ca%5E%280%29
C=-2
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y=-2a%5E%28x%29
-2a%5E2=-50
a=5
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y=-2%285%29%5Ex
y%28-2%29=-2%285%5E%28-2%29%29=-2%2F25