2) reflection across y-3
Answers
In the y-axis, number 3, the whole horizontal line is the reflection line given.
Unfortunately i couldnt draw the shape because i didnt know the coordinates
Final answer:
Reflection across y=3 in mathematics means that every point or object is mirrored over the line y=3. This results in the x-coordinate remaining the same, while the y-coordinate changes, following the formula (x, y) => (x, 2*3-y). It involves mirroring the points above and below the line y=3.
Explanation:
In mathematics, reflection across y=3 implies that every point or object on the coordinate plane is mirrored over the horizontal line y=3. Let's say you have a point (x,y), when it is reflected over y=3, the new point will remain at the same x position, but its y-coordinate changes. The formula for reflection is (x, y) => (x, 2*3-y). Therefore, if a point is above the line y=3, it will be reflected below it and vice versa. For example, if you have a point at (5,4), it will be reflected onto the point (5,2).
Learn more about Reflection in Mathematics here:
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Write an algebraic expression for the following word phrase: the quotient of r and 12?
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Answer:
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Answers
Answer:
Step-by-step explanation:
we have
Multiply the expression by the conjugate of denominator
!!!!!!!!!!!!!!
will mark brainliest
Answers
Answer:
2/9ths hope this helps!
Please mark brainliest.
Step-by-step explanation:
2, 5, 8, 11 ...
Answers
206 is the answer since you +3 every time
3
3
to the previous term in the sequence gives the next term. In other words,
a
n
=
a
1
+
d
(
n
−
1
)
a
n
=
a
1
+
d
(
n
-
1
)
.
Arithmetic Sequence:
d
=
3
d
=
3
This is the formula of an arithmetic sequence.
a
n
=
a
1
+
d
(
n
−
1
)
a
n
=
a
1
+
d
(
n
-
1
)
Substitute in the values of
a
1
=
2
a
1
=
2
and
d
=
3
d
=
3
.
a
n
=
2
+
(
3
)
(
n
−
1
)
a
n
=
2
+
(
3
)
(
n
-
1
)
Simplify each term.
Tap for more steps...
a
n
=
2
+
3
n
−
3
a
n
=
2
+
3
n
-
3
Subtract
3
3
from
2
2
.
a
n
=
3
n
−
1
= 18
B. {(-1, 5), (-2, 6), (-3, 7)}
C. {(11, 9), (11, 5), (9, 3)}
D.{(3, 8), (0, 8), (3, -2)}
Answers
Answer: Option B
Step-by-step explanation:
A function has a rule, for each point in the domain, there can be only one point associated in the range.
This means that f(x) can have only one value y that is associated to the point x in the domain.
now, with this in mind, let's analyze the options, where the pairs are always written as (x, y)
A) Here we can see the pairs (2,3) and (2, 7), so we have the point in the domain, 2, that is associated with two different values in the range, so this relation can not be a function.
B) In this set, there are no problems because we do not have ani point in the domain with more than one value in the range, so this can be a function.
C) here point 11 has two different values in the range, so this can not be a function.
D) here point 3 has two different values in the range, so this can not be a function.
Answers
We need to isolate x alone.
First lets write out our equation
3 +7x = 12
Lets do this step by step.
first subtract 3 from both sides.
3 + 7x = 12
-3 = -3 it cancels out on the left side and we solve on the right side.
*************
7x = 9
second we divide both sides by 7
7x = 9
÷7 = 7 we got the x alone and we just write 9/7 as our answer.
x = 9/7
Or as a decimal.
9/7 could be 1.28571428571429
Either will work.
x = 9/7
or
x = 1.28571428571429
Have a nice day. :)