Answer:x
=
1
,
y
=
−
2
Step-by-step explanation:
Answer:
540 miles
Step-by-step explanation:
60 miles per 1 hour
120 per 2 hours... etc.
multiply 60 and 9 to get 540
Two and a half energy bars it should be the right one.
Answer:

Step-by-step explanation:
We want to prove algebraically that:

is a parabola.
We use the relations

and

Before we substitute, let us rewrite the equation to get:

Or

Expand :

We now substitute to get:

This means that:

Square:

Expand:




This is a parabola (0,2.5) and turns upside down.
Answer:
C
Step-by-step explanation:
I don't know for sure, but I am pretty sure this is it.