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Answer:
Where is the question . For future questions it's help (:
Step-by-step explanation:
Answer:
Vertex is (-1, -9)
Step-by-step explanation:
To find the x-value of the vertex, we use the formula
x
=
−
b
2
a
(This is considered the axis of symmetry).
a
=
1
and
b
=
2
with
c
=
−
8
(These are the numbers in order)
By substituting we get
x
=
−
(
2
)
2
⋅
1
, which simplifies to
x
=
−
1
.
Once you find x, substitute back into the equation to find y.
y
=
(
−
1
)
2
+
2
(
−
1
)
−
8
y
=
1
−
2
−
8
y
=
−
9
Putting the two numbers together you get the coordinates
(
−
1
,
−
9
)
.
Answer:
x/6=13
Cross multiplying we get,
x=13*6
x=78
Reduce the fraction 6/12 to its lowest expression by extracting and canceling 6.

Convert 1/2 and 2/3 to fractions with denominator 6.


Since 3/6, 4/6, and 1/6 have the same denominator, add their numerators to add them together.

Add 3 plus 4 plus 1.

Reduce the fraction 6/8 to its lowest expression by extracting and canceling 2.

