1 answer:
Answer:
Positive
Step-by-step explanation:
If a is positive, the parabola opens up or to the right. If it's negative it does the opposite.
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Answer:
The proportion is 2/7 = 12/42
x = 12
The answer is 12
Hello!
The equation for a circle is

(h,k) is the center
r is the radius
Put in the values you know

Simplify

The equation is

Hope this helps!
If it's add you subtract if it's subtract you add
16x^2-40x+25 Yes I know my phone is messed up but at least you got the answer
This is a geometric sequence of the form:
a(n)=(x+3)(-2x)^(n-1) because each term is -2x times the previous term...so
a(8)=(x+3)(-128x^7)
a(8)=-128x^8-384x^7