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Math Problems
Grade 7
Evaluate numerical expressions involving exponents
Problem
25
25
25
:
\newline
(first taught in
\newline
lesson
20
20
20
)
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The ratio of diners to snackers at the food court was
4
4
4
to
7
7
7
. If there were
148
148
148
diners, how many snackers were there?
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After you enter your answer press
60
60
60
.
\newline
snackers
\newline
Go)
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Question
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Watch Video
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Rewrite the following polynomial in standard form.
\newline
−
1
2
+
4
x
3
+
3
x
+
x
4
−
x
5
-\frac{1}{2}+4 x^{3}+3 x+x^{4}-x^{5}
−
2
1
+
4
x
3
+
3
x
+
x
4
−
x
5
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Answer Attempt
1
1
1
out of
2
2
2
\newline
Answer:
□
\square
□
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Submit Answer
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yright (c)
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2024
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2
3
+
5
2^{3}+5
2
3
+
5
\newline
What is the value of the expression?
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What is the fastest way to calculate
9
8
2
−
2
2
98^2 - 2^2
9
8
2
−
2
2
?
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9
−
3
/
9
12
9^{-3}/9^{12}
9
−
3
/
9
12
Rewrite the expression in the form
9
n
9^n
9
n
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Graph the trigonometric function.
\newline
y
=
−
2
sec
(
1
3
x
)
y=-2 \sec \left(\frac{1}{3} x\right)
y
=
−
2
sec
(
3
1
x
)
\newline
Start by drawing three consecutive asymptotes. Then plot two points, one on each side of the second asymptot Finally, click on the graph-a-function button.
\newline
Check
\newline
Save For Later
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Factor the expression completely.
\newline
y
+
x
3
y
3
y+x^{3} y^{3}
y
+
x
3
y
3
\newline
Answer:
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Factor the expression completely.
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2
x
3
+
2
x
2 x^{3}+2 x
2
x
3
+
2
x
\newline
Answer:
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Factor the expression completely.
\newline
90
−
10
x
3
90-10 x^{3}
90
−
10
x
3
\newline
Answer:
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Factor the expression completely.
\newline
3
x
2
+
5
x
3 x^{2}+5 x
3
x
2
+
5
x
\newline
Answer:
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Factor the expression completely.
\newline
5
x
3
−
2
x
5 x^{3}-2 x
5
x
3
−
2
x
\newline
Answer:
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Factor the expression completely.
\newline
−
x
−
3
x
4
-x-3 x^{4}
−
x
−
3
x
4
\newline
Answer:
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Factor the expression completely.
\newline
−
40
+
70
x
4
-40+70 x^{4}
−
40
+
70
x
4
\newline
Answer:
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Evaluate the expression.
4
−
4
2
4 - 4^2
4
−
4
2
____
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