Algebra, NAPX-H4-NC13

Question

{{{question}}}

Worked Solution

{{{workedSolution}}}

Variant 0

DifficultyLevel

601

Question

Which expression is equivalent to  9x −\ 9\large x\ − 3 + 3x\large x + 1?

Worked Solution

9x −9\large x\ − 3 + 3x\large x + 1

= 12x −12\large x\ - 2

Question Type

Multiple Choice (One Answer)

Variables

Variable nameVariable value
question
Which expression is equivalent to $\ 9\large x\ −$ 3 + 3$\large x$ + 1?
workedSolution
$9\large x\ −$ 3 + 3$\large x$ + 1 >= {{{correctAnswer}}}
correctAnswer
$12\large x\ -$ 2

Answers

Is Correct?Answer
x

6x6\large x

✓

12x −12\large x\ - 2

x

12x −12\large x\ - 4

x

6x −6\large x\ - 4

Variant 1

DifficultyLevel

600

Question

Which expression is equivalent to  2x −\ 2\large x\ − 7 + 8x\large x + 6?

Worked Solution

 2x −\ 2\large x\ − 7 + 8x\large x + 6

= 10x −10\large x\ - 1

Question Type

Multiple Choice (One Answer)

Variables

Variable nameVariable value
question
Which expression is equivalent to $\ 2\large x\ −$ 7 + 8$\large x$ + 6?
workedSolution
$\ 2\large x\ −$ 7 + 8$\large x$ + 6 >= {{{correctAnswer}}}
correctAnswer
$10\large x\ -$ 1

Answers

Is Correct?Answer
x

9x9\large x

x

6x −6\large x\ - 13

✓

10x −10\large x\ - 1

x

10x −10\large x\ - 13

Variant 2

DifficultyLevel

603

Question

Which expression is equivalent to  5x +\ 5\large x\ + 2 − 3x\large x + 3?

Worked Solution

 5x +\ 5\large x\ + 2 − 3x\large x + 3

= 2x +2\large x\ + 5

Question Type

Multiple Choice (One Answer)

Variables

Variable nameVariable value
question
Which expression is equivalent to $\ 5\large x\ +$ 2 − 3$\large x$ + 3?
workedSolution
$\ 5\large x\ +$ 2 − 3$\large x$ + 3 >= {{{correctAnswer}}}
correctAnswer
$2\large x\ +$ 5

Answers

Is Correct?Answer
x

7x7\large x

x

8x +8\large x\ + 1

x

2x +2\large x\ + 1

✓

2x +2\large x\ + 5

Variant 3

DifficultyLevel

605

Question

Which expression is equivalent to  4x −\ 4\large x\ − 2 − 3x\large x − 1?

Worked Solution

 4x −\ 4\large x\ − 2 − 3x\large x − 1

= x\large x − 3

Question Type

Multiple Choice (One Answer)

Variables

Variable nameVariable value
question
Which expression is equivalent to $\ 4\large x\ −$ 2 − 3$\large x$ − 1?
workedSolution
$\ 4\large x\ −$ 2 − 3$\large x$ − 1 >= {{{correctAnswer}}}
correctAnswer
$\large x$ − 3

Answers

Is Correct?Answer
✓

x\large x − 3

x

7x7\large x − 3

x

x\large x − 1

x

7x7\large x

Variant 4

DifficultyLevel

607

Question

Which expression is equivalent to  3x +\ 3\large x\ + 2 − 5x\large x − 4?

Worked Solution

 3x +\ 3\large x\ + 2 − 5x\large x − 4

= − 2x\large x − 2

Question Type

Multiple Choice (One Answer)

Variables

Variable nameVariable value
question
Which expression is equivalent to $\ 3\large x\ +$ 2 − 5$\large x$ − 4?
workedSolution
$\ 3\large x\ +$ 2 − 5$\large x$ − 4 >= {{{correctAnswer}}}
correctAnswer
− 2$\large x$ − 2

Answers

Is Correct?Answer
✓

− 2x\large x − 2

x

− 2x\large x − 6

x

2x\large x − 2

x

8x\large x − 6

Variant 5

DifficultyLevel

606

Question

Which expression is equivalent to  x −\ \large x\ − 1 − 5x\large x + 3?

Worked Solution

 x −\ \large x\ − 1 − 5x\large x + 3

= − 4x\large x + 2

Question Type

Multiple Choice (One Answer)

Variables

Variable nameVariable value
question
Which expression is equivalent to $\ \large x\ −$ 1 − 5$\large x$ + 3?
workedSolution
$\ \large x\ −$ 1 − 5$\large x$ + 3 >= {{{correctAnswer}}}
correctAnswer
− 4$\large x$ + 2

Answers

Is Correct?Answer
x

− 4x\large x − 4

✓

− 4x\large x + 2

x

6x\large x − 4

x

− 6x\large x + 2

Tags