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Math Problems
Algebra 2
Simplify radical expressions with root inside the root
If
h
(
x
)
=
3
x
2
−
x
h(x) = 3x^2-x
h
(
x
)
=
3
x
2
−
x
, find and simplify:
\newline
h
(
a
)
h(a)
h
(
a
)
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f
(
x
)
=
x
2
−
6
x
−
7
f(x) = x^2 - 6x -7
f
(
x
)
=
x
2
−
6
x
−
7
Which of the following is an equivalent form of the function
f
f
f
in which the zeros of
f
f
f
appear as constants or coefficients?
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Answer
\newline
[.]
\newline
b.)
\newline
(,)
□
\square
□
−
∞
-\infty
−
∞
\newline
∞
\infty
∞
\newline
u
□
\square
□
>
>
>
□
\square
□
≥
\geq
≥
\newline
or
\newline
Inequality Notation:
□
\square
□
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Which sign makes the statement true?
\newline
−
41
2
?
0
-\frac{41}{2} \,?\, 0
−
2
41
?
0
\newline
Choices:
\newline
(A)
>
>
>
\newline
(B)
<
<
<
\newline
(C)
=
=
=
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Which sign makes the statement true?
\newline
21
2
\frac{21}{2}
2
21
?
\text{?}
?
0
0
0
\newline
Choices:
\newline
(A)
>
>
>
\newline
(B)
<
<
<
\newline
(C)
=
=
=
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Which sign makes the statement true?
\newline
2.10
2.10
2.10
?
\text{?}
?
3.7
3.7
3.7
\newline
Choices:
\newline
(A)
>
>
>
\newline
(B)
<
<
<
\newline
(C)
=
=
=
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Which sign makes the statement true?
\newline
3.5
?
3
3.5 \, ? \, 3
3.5
?
3
\newline
Choices:
\newline
(A)
>
>
>
\newline
(B)
<
<
<
\newline
(C)
=
=
=
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Which sign makes the statement true?
\newline
0
?
−
3.75
0 \,?\, -3.75
0
?
−
3.75
\newline
Choices:
\newline
(A)
>
>
>
\newline
(B)
<
<
<
\newline
(C)
=
=
=
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Which sign makes the statement true?
\newline
0.5
0.5
0.5
?
\text{?}
?
1
2
\frac{1}{2}
2
1
\newline
Choices:
\newline
(A)
>
>
>
\newline
(B)
<
<
<
\newline
(C)
=
=
=
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Which sign makes the statement true?
\newline
−
41
2
?
−
4
-\frac{41}{2} \,?\, -4
−
2
41
?
−
4
\newline
Choices:
\newline
(A)
>
>
>
\newline
(B)
<
<
<
\newline
(C)
=
=
=
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Is this an expression or an equation?
\newline
42
−
(
6
×
2
)
42 - (6 \times 2)
42
−
(
6
×
2
)
\newline
Choices:
\newline
(A)expression
\newline
(B)equation
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To solve the simultaneous equations:
\newline
1
1
1
.
2
y
−
5
x
3
=
−
4
2 y-\frac{5 x}{3}=-4
2
y
−
3
5
x
=
−
4
\newline
2
2
2
.
5
x
+
y
2
=
21
2
5 x+\frac{y}{2}=\frac{21}{2}
5
x
+
2
y
=
2
21
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Which expressions are equivalent to
z
0.2
z^{0.2}
z
0.2
?
\newline
Choose all answers that apply:
\newline
A
(
z
2
)
−
10
\left(z^{2}\right)^{-10}
(
z
2
)
−
10
\newline
B
z
\sqrt{z}
z
\newline
c)
z
5
\sqrt[5]{z}
5
z
\newline
D None of the above
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10
10
10
. При каких значениях
m
m
m
длина вектора равна
10
10
10
? *
\newline
a
ˉ
(
19
;
−
m
)
\bar{a}(\sqrt{19 ;}-m)
a
ˉ
(
19
;
−
m
)
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Which sign makes the statement true?
\newline
−
4
5
?
5.2
-\frac{4}{5} \,?\, 5.2
−
5
4
?
5.2
\newline
Choices:
\newline
(A)
>
>
>
\newline
(B)
<
<
<
\newline
(C)
=
=
=
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Which sign makes the statement true?
\newline
6
?
6
1
2
6 \,?\, 6\frac{1}{2}
6
?
6
2
1
\newline
Choices:
\newline
(A)
>
>
>
\newline
(B)
<
<
<
\newline
(C)
=
=
=
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3
3
3
\newline
The expression
x
2
−
9
2
x
−
6
\frac{x^{2}-9}{2 x-6}
2
x
−
6
x
2
−
9
is equivalent to
x
+
a
2
\frac{x+a}{2}
2
x
+
a
. What is the value of
a
a
a
?
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Which of the following expressions is equivalent to
−
3
(
x
2
−
4
y
2
)
-3\left(x^{2}-4 y^{2}\right)
−
3
(
x
2
−
4
y
2
)
?
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Which of the following is equivalent to
−
8
x
2
−
8
x
y
+
12
y
2
-8 x^{2}-8 x y+12 y^{2}
−
8
x
2
−
8
x
y
+
12
y
2
?
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Which sign makes the statement true?
\newline
0.5
?
50
%
0.5 \, ? \, 50\%
0.5
?
50%
\newline
Choices:
\newline
(A)
>
>
>
\newline
(B)
<
<
<
\newline
(C)
=
=
=
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Which segment is opposite to
∠
J
\angle J
∠
J
?
\newline
Answer
\newline
N
J
‾
\overline{N J}
N
J
\newline
N
L
‾
\overline{N L}
N
L
\newline
L
J
‾
\overline{L J}
L
J
\newline
Submit Answer
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Which expression is equivalent to
7
w
+
7
w
7w + 7w
7
w
+
7
w
?
\newline
Choices:
\newline
(A)
14
w
14w
14
w
\newline
(B)
w
14
w^{14}
w
14
\newline
(C)
13
w
13w
13
w
\newline
(D)
w
+
14
w + 14
w
+
14
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Simplify.
\newline
Rewrite the expression in the form
4
n
4^{n}
4
n
.
\newline
4
11
4
−
8
=
\frac{4^{11}}{4^{-8}}=
4
−
8
4
11
=
\newline
□
\square
□
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∠
A
C
D
\angle A C D
∠
A
C
D
and
∠
D
C
B
\angle D C B
∠
D
CB
form a linear pair.
\newline
In this diagram,
m
∠
A
C
D
=
[
?
]
∘
m \angle A C D=[?]^{\circ}
m
∠
A
C
D
=
[
?
]
∘
\newline
Enter :
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Jika PQ // RS, maka nilai
x
x
x
adalah ...
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Solve for
m
m
m
. Express your answer in simplest radical form if necessary.
\newline
m
3
=
125
m^{3}=125
m
3
=
125
\newline
Answer:
m
=
m=
m
=
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Solve for
a
a
a
. Express your answer in simplest radical form if necessary.
\newline
a
=
(
30.7
)
2
a=(\sqrt{30.7})^{2}
a
=
(
30.7
)
2
\newline
Answer:
a
=
a=
a
=
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Solve for
a
a
a
. Express your answer in simplest radical form if necessary.
\newline
a
=
(
61
)
2
a=(\sqrt{61})^{2}
a
=
(
61
)
2
\newline
Answer:
a
=
a=
a
=
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a
=
8
÷
b
a=8 \div b
a
=
8
÷
b
\newline
hich number below would make the inequality
7
−
2
x
≤
15
7-2 x \leq 15
7
−
2
x
≤
15
true?
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1
1
1
. How many groups of
5
7
\frac{5}{7}
7
5
are in
1
1
1
?
\newline
□
\square
□
groups
\newline
2
2
2
. Evaluate.
\newline
8
÷
5
7
=
8 \div \frac{5}{7}=
8
÷
7
5
=
\newline
□
\square
□
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Communicate:
\newline
\#
20
20
20
Explain in full sentences why the radical expression is or is not in simplifie form. Give more than one reason to back up your answer.
\newline
12
n
32
n
\frac{\sqrt{12 n}}{\sqrt{32 n}}
32
n
12
n
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express in simple radical form
2160
10
\sqrt{\frac{2160}{10}}
10
2160
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Use the Mean Value Theorem to establish the following inequality for
x
>
0
x>0
x
>
0
:
\newline
1
<
e
x
−
1
ln
(
x
+
1
)
<
(
x
+
1
)
e
x
1<\frac{e^{x}-1}{\ln (x+1)}<(x+1) e^{x}
1
<
ln
(
x
+
1
)
e
x
−
1
<
(
x
+
1
)
e
x
\newline
Deduce the following limit :
\newline
lim
x
→
0
e
x
−
1
ln
(
x
+
1
)
\lim _{x \rightarrow 0} \frac{e^{x}-1}{\ln (x+1)}
x
→
0
lim
ln
(
x
+
1
)
e
x
−
1
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Rewrite without a denominator:
\newline
w
y
−
4
\frac{w}{y^{-4}}
y
−
4
w
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Which expression is equivalent to
2
y
+
6
y
2y + 6y
2
y
+
6
y
?
\newline
Choices:
\newline
(A)
y
+
8
y + 8
y
+
8
\newline
(B)
8
y
8y
8
y
\newline
(C)
y
8
y^8
y
8
\newline
(D)
9
y
9y
9
y
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Which expression is equivalent to
9
y
+
5
y
9y + 5y
9
y
+
5
y
?
\newline
Choices:
\newline
(A)
15
y
15y
15
y
\newline
(B)
y
+
14
y + 14
y
+
14
\newline
(C)
y
14
y^{14}
y
14
\newline
(D)
14
y
14y
14
y
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Simplifying Radicals
\newline
What is the simplified form of
48
n
9
\sqrt{48 n^{9}}
48
n
9
?
\newline
(
1
1
1
point)
\newline
4
n
3
3
4 n^{3} \sqrt{3}
4
n
3
3
\newline
4
n
4
3
n
4 n^{4} \sqrt{3 n}
4
n
4
3
n
\newline
3
n
4
n
8
3 n \sqrt{4 n^{8}}
3
n
4
n
8
\newline
4
3
n
9
4 \sqrt{3 n^{9}}
4
3
n
9
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Which expression is equivalent to the expression below?
\newline
p
+
p
+
p
+
p
p+p+p+p
p
+
p
+
p
+
p
\newline
4
p
4 p
4
p
\newline
4
4
4
\newline
p
4
\frac{p}{4}
4
p
\newline
p
4
p^{4}
p
4
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Which expression is equivalent to the expression below?
\newline
4
(
5
h
)
+
6
h
4(5 h)+6 h
4
(
5
h
)
+
6
h
\newline
44
h
44 h
44
h
\newline
20
h
+
5
h
2
20 h+5 h^{2}
20
h
+
5
h
2
\newline
11
h
+
4
11 h+4
11
h
+
4
\newline
26
h
26 h
26
h
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3
x
2
b
−
5
x
6
b
\frac{3 x}{2 b}-\frac{5 x}{6 b}
2
b
3
x
−
6
b
5
x
\newline
Which of the following expressions is equivalent to the given expression for
b
≠
0
b \neq 0
b
=
0
?
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Which of the following is an integer?
\newline
Choices:
\newline
(A)
6
\sqrt{6}
6
\newline
(B)
π
\pi
π
\newline
(C)
2
\sqrt{2}
2
\newline
(D)
6
6
6
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Which of the following is a rational number?
\newline
Choices:
\newline
(A)
5
\sqrt{5}
5
\newline
(B)
π
\pi
π
\newline
(C)
6
\sqrt{6}
6
\newline
(D)
6.333
…
6.333\ldots
6.333
…
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4
/
4
4 / 4
4/4
\newline
75582786
75582786
75582786
\newline
Which radical expression is equivalent to
y
3
8
y^{\frac{3}{8}}
y
8
3
?
\newline
y
3
y
8
(
y
3
)
8
\frac{\sqrt[3]{y}}{\sqrt[8]{y}} \quad(\sqrt[3]{y})^{8}
8
y
3
y
(
3
y
)
8
\newline
Anthony
\newline
Bautista
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Упростите выражение
10
−
2
⋅
10
+
2
24
\frac{\sqrt{\sqrt{10}-2} \cdot \sqrt{\sqrt{10}+2}}{\sqrt{24}}
24
10
−
2
⋅
10
+
2
.
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Simplify.
\newline
Rewrite the expression in the form
x
n
x^{n}
x
n
.
\newline
x
6
x
8
=
□
\frac{x^{6}}{x^{8}}=\square
x
8
x
6
=
□
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Identify the following as either an expression or an equation.
\newline
10
x
2
+
4
x
−
3
10x^{2}+4x-3
10
x
2
+
4
x
−
3
\newline
A) expression
\newline
B) equation
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Fully simplify.
\newline
(
6
x
5
y
2
)
3
\left(6 x^{5} y^{2}\right)^{3}
(
6
x
5
y
2
)
3
\newline
Answer:
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Express in simplest radical form.
\newline
560
7
\frac{\sqrt{560}}{\sqrt{7}}
7
560
\newline
Answer:
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Given
x
>
0
x>0
x
>
0
, the expression
x
19
\sqrt{x^{19}}
x
19
is equivalent to
\newline
x
8
x
2
x^{8} \sqrt{x^{2}}
x
8
x
2
\newline
x
8
x
x^{8} \sqrt{x}
x
8
x
\newline
x
9
x
x^{9} \sqrt{x}
x
9
x
\newline
x
9
x
2
x^{9} \sqrt{x^{2}}
x
9
x
2
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Assuming
x
x
x
and
y
y
y
are both positive, write the following expression in simplest radical form.
\newline
y
3
24
x
5
y
2
y^{3} \sqrt{24 x^{5} y^{2}}
y
3
24
x
5
y
2
\newline
Answer:
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