1. vertex is -4 because:
x^2-8x-20,
a=1, b=-8 , c=-20
use vertex form! -b/2a = -8/2(1) = -8/2 = -4.
2. axis of symmatry is the x which is also -4. The same steps go for the second one.
3. y intercept, I think the answer is -20. Im not sure for this one.
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20% of 15 is 12$, and tax is 5% so it comes out to 12.60$
The answer is B
Answer:
70
Step-by-step explanation:
Answer:
-3 and 1
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Answer:
You are mulitplying the last number by two. The next two terms are 32 and 64.
Step-by-step explanation:
