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Math Problems
Precalculus
Roots of integers
Puzzle
4
4
4
\newline
Can you solve for
x
x
x
and type the correct code? Please remember to type in ALL CAPS with no spaces.
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Your answer
\newline
This is a required question
\newline
Back
\newline
Next
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What are the area and perimeter of
△
A
B
C
\triangle A B C
△
A
BC
? Drag and drop your answers in the boxes.
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Find the area and the circumference of a circle with radius
3
k
m
3 \mathrm{~km}
3
km
.
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Write your answers in terms of
π
\pi
π
, and be sure to include the correct units in your answers.
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Find
y
y
y
.
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Write your answer in simplest radic
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□
\square
□
inches
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Find the values of
x
x
x
and
y
y
y
. Write your answers in simplest form.
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Directions: Select two colors for your key. Determine if the triangles shown below are similar triangles. Color your answers according to the key.
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ercises
\newline
termine whether the triangles are similar. If so, write a similarity statement. plain your reasoning.
\newline
2
2
2
.
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A square has an area of
4320
m
2
4320\,\text{m}^2
4320
m
2
. Determine the perimeter of the square. Write the answer as a radical in simplest form.
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The number of binary operations on a set with
5
5
5
elements is greater than
1
0
18
10^{18}
1
0
18
., true or false
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The equation is graphed in the
x
y
xy
x
y
-plane. Which of the following is a true statement about the graph? Choose
1
1
1
answer:
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Find the exact value of
sec
7
π
4
\sec \frac{7 \pi}{4}
sec
4
7
π
in simplest form with a rational denominator.
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What value could you write in after
3
x
3 x
3
x
that would make the equation true for:
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1
1
1
. no values of
x
x
x
?
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2
2
2
. all values of
x
x
x
?
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3
3
3
. just one value of
x
x
x
?
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What is the product of
4
4
4
and
8
45
8 \sqrt{45}
8
45
in simplest radical form?
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Answer:
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Solve the equation. Check your solution.
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4
x
−
8
+
2
x
=
−
32
4x-8+2x=-32
4
x
−
8
+
2
x
=
−
32
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The solution set is (Simplify your answer.)
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Convert the following repeating decimal to a fraction in simplest form.
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.
79
‾
. \overline{79}
.
79
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Answer:
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Find the perimeter of the triangle whose vertices are
(
−
2
,
−
1
)
,
(
1
,
−
1
)
,
(-2,-1),(1,-1),
(
−
2
,
−
1
)
,
(
1
,
−
1
)
,
and
(
1
,
3
)
(1,3)
(
1
,
3
)
. Write the exact answer. Do not round.
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Answer
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