What is the scale factor?
1 answer:
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ANSWER
EXPLANATION
Let the function that represent the graph be:
The parabola passes through the points (-2,8), (0,2), and (1,5).
These points must satisfy the function.
For (-2,8), we have
This implies that that,
For (0,2), we have,
This implies that,
For (1,5), we have
This implies that,
Put c=2 into equation (1) and (2).
Add equation (3) and equation (4)
Put a=2 into equation (4).
Therefore the function is
Answer:
x = 1, x = -1
Step-by-step explanation:
-4x² = -4
x² = 1
x =
x = ±1