Answer: y
2
−
4
y
Explanation:
y
2
−
4
y
Use the form
a
x
2
+
b
x
+
c
, to find the values of
a
,
b
, and
c
.
a
=
1
,
b
=
−
4
,
c
=
0
Consider the vertex form of a parabola.
a
(
x
+
d
)
2
+
e
Substitute the values of
a
and
b
into the formula
d
=
b
2
a
.
d
=
−
4
2
(
1
)
Simplify the right side.
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d
=
−
2
Find the value of
e
using the formula
e
=
c
−
b
2
4
a
.
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e
=
−
4
Substitute the values of
a
,
d
, and
e
into the vertex form
a
(
x
+
d
)
2
+
e
.
(
y
−
2
)
2
−
4
Answer:
nope
Step-by-step explanation:
hope it helps:)
Answer:
44
Step-by-step explanation:
Hello There!
To solve this one all we have to do is plug in 5 for a
so
9(5)-7+6
9x4=45
45-7=38
38+6=44
so when a=5 the value of the expression is 44
Answer:
Step-by-step explanation:
x/4.8 < 1.25 Multiply both sides by 4.8
4.8 x / 4.8 < 1.25*4/8
x < 6
What this means is that every every number less than 6 is a solution to this inequality.
Graph 32 (shown below is a red area. The important thing to note is that the boundary at 6 is dotted which means it is not included in the solution.
What you want is more closely related to a number line and sort of looks like this
-----o-----o-----o-----o-----o-----o-----o-----o
-1 0 1 2 3 4 5 6
<===============================o
Explanation
The top line is the actual number line or the graph
o------- is the way it is made.
The second line are the number divisions of the number line
The third line shows which way the inequality goes and that it is open at 6. Open means that you can get close to 6 but you can't touch 6.