Answer:
im going to go with the third one
Step-by-step explanation:
Answer:
y = -8x + 43
Step-by-step explanation:
Parallel lines have the same slope. The line g is -8x - 1 and has slope -8.
To find a line parallel to it, substitute m= -8 and the point (5,3) to determine th equation.
y - 3 = -8(x - 5)
y - 3 = -8x + 40
y = -8x + 43
Answer:
230%
Step-by-step explanation:
2x3/10=23/10=2.3x100%=230%
I DONT REMEMBER BUT IM PRETTY SURE ITS 2
Divide the coefficient of
x
(not
x
2
) by 2, and then square that.
c
=
144
.
Explanation:
Divide the coefficient of
x
(not
x
2
) by 2, and then square that.
So for
x
2
−
24
x
, dividing
−
24
by
2
gets us
−
12
.
Squaring
−
12
gets us
144
,
So
c
=
144
.
In general:
Consider the factoring identity
(
x
−
a
)
2
=
x
2
−
2
a
x
+
a
2
If we only have the middle term,
−
2
a
x
, then dividing the middle term by
2
x
gets us
−
2
a
x
2
x
=
−
a
(If we only take the coefficient on
x
, we do not have to divide by
x
.)
Then if we square that, we get
(
−
a
)
2
=
a
2
So as you can see, taking the coefficient on
x
, dividing it by
2
, and then squaring it will get us the magic constant that lets us complete the square.