Algebra, NAPX-H4-CA19

Question

{{{question}}}

Worked Solution

{{{workedSolution}}}

Variant 0

DifficultyLevel

639

Question

Which of the following has the same value as  a\ \large a−2^{−2}?

Worked Solution

1a2\dfrac{1}{\large a^2}

Question Type

Multiple Choice (One Answer)

Variables

Variable nameVariable value
question
Which of the following has the same value as $\ \large a$$^{−2}$?
workedSolution
>{{{correctAnswer}}}
correctAnswer
$\dfrac{1}{\large a^2}$

Answers

Is Correct?Answer
x

1−a2\dfrac{1}{- \large a^2}

x

−2×a-2 \times \large a

x

− a-\ \large a2^2

✓

1a2\dfrac{1}{\large a^2}

Variant 1

DifficultyLevel

639

Question

Which of the following has the same value as 2a2 \large a−1^{−1}?

Worked Solution

2a\dfrac{2}{\large a}

Question Type

Multiple Choice (One Answer)

Variables

Variable nameVariable value
question
Which of the following has the same value as $2 \large a$$^{−1}$?
workedSolution
>{{{correctAnswer}}}
correctAnswer
$\dfrac{2}{\large a}$

Answers

Is Correct?Answer
x

1−2a\dfrac{1}{-2 \large a}

x

−1×2a-1 \times 2\large a

✓

2a\dfrac{2}{\large a}

x

− 2a-\ 2\large a

Variant 2

DifficultyLevel

639

Question

Which of the following has the same value as  b\ \large b−3^{−3}?

Worked Solution

1b3\dfrac{1}{\large b^3}

Question Type

Multiple Choice (One Answer)

Variables

Variable nameVariable value
question
Which of the following has the same value as $\ \large b$$^{−3}$?
workedSolution
{{{correctAnswer}}}
correctAnswer
$\dfrac{1}{\large b^3}$

Answers

Is Correct?Answer
✓

1b3\dfrac{1}{\large b^3}

x

−- b\ \large b3^{3}

x

−3×b-3 \times \large b

x

1−b3\dfrac{1}{- \large b^3}

Variant 3

DifficultyLevel

642

Question

Which of the following has the same value as  5a\ 5\large a−4^{−4}?

Worked Solution

5a4\dfrac{5}{\large a^4}

Question Type

Multiple Choice (One Answer)

Variables

Variable nameVariable value
question
Which of the following has the same value as $\ 5\large a$$^{−4}$?
workedSolution
{{{correctAnswer}}}
correctAnswer
$\dfrac{5}{\large a^4}$

Answers

Is Correct?Answer
x

1−20a\dfrac{1}{-20 \large a}

✓

5a4\dfrac{5}{\large a^4}

x

−20×a-20 \times \large a

x

15a−4\dfrac{1}{5\large a^{-4}}

Variant 4

DifficultyLevel

642

Question

Which of the following has the same value as −4a-4\large a−2^{−2}?

Worked Solution

−4a2- \dfrac{4}{\large a^2}

Question Type

Multiple Choice (One Answer)

Variables

Variable nameVariable value
question
Which of the following has the same value as $-4\large a$$^{−2}$?
workedSolution
{{{correctAnswer}}}
correctAnswer
$- \dfrac{4}{\large a^2}$

Answers

Is Correct?Answer
✓

−4a2- \dfrac{4}{\large a^2}

x

8×a8 \times \large a

x

− 4a-\ 4\large a2^2

x

−14a2- \dfrac{1}{4\large a^2}

Variant 5

DifficultyLevel

649

Question

Which of the following has the same value as \\ 23a\dfrac{2}{3}\large a−2^{−2}?

Worked Solution

23a2\dfrac{2}{3\large a^2}

Question Type

Multiple Choice (One Answer)

Variables

Variable nameVariable value
question
Which of the following has the same value as $\\$ $\dfrac{2}{3}\large a$$^{−2}$?
workedSolution
{{{correctAnswer}}}
correctAnswer
$\dfrac{2}{3\large a^2}$

Answers

Is Correct?Answer
x

−43a2- \dfrac{4}{3\large a^2}

x

−4a3- \dfrac{4\large a}{3}

✓

23a2\dfrac{2}{3\large a^2}

x

−4a23- \dfrac{4\large a^2}{3}

Tags