QBManager

RATIONAL NUMBERS

297904 Express $\frac{126}{- 196}$ as simplest rational number with numerator equal to:

1 63

2 -9

3 -126

4 None of these

Explanation:

-9
Given $\frac{126}{- 196} = \frac{- 9 \times 14}{14 \times 14} = \frac{- 9}{14}$

RATIONAL NUMBERS

297906 The sum of $\frac{8}{15}$ and $\frac{7}{15}$ is:

1

1

2

\frac{1}{15}

3

\frac{1}{30}

4

none

Explanation:

$1$
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RATIONAL NUMBERS

297907 The whole number nearest to 457 and divisible by 11 is:

1 450

2 451

3 460

4 462

RATIONAL NUMBERS

297732 What is the multiplicative identity element in the set of whole numbers?

1 0

2 1

3 -1

4 None of these.

RATIONAL NUMBERS

297727 The rational number equal to $\frac{2}{- 3}$ is:

1

\frac{14}{- 18}

2

\frac{- 6}{9}

3

\frac{- 8}{- 12}

4

\frac{3}{- 2}

Explanation:

$\frac{- 6}{9}$
We know that two rational numbers are equal if they have the same standard form.
$\frac{2}{- 3} = \frac{2 \times (- 1)}{- 3 \times (- 1)} = \frac{- 2}{3}$
The standard form of $\frac{2}{- 3} is \frac{- 2}{3}$
Consider the rational number $\frac{- 6}{9}$
HCF of 6 and 9 = 3
Dividing the numerator and denominator of $\frac{- 6}{9}$ by 3,
We have:
$\frac{- 6}{9} = \frac{- 6 \div 3}{9 \div 3} = \frac{- 2}{3}$
So, the rational number $\frac{- 6}{9}$ is equal to $\frac{2}{- 3}$
It can be checked that:
Standard form of $\frac{14}{- 18} = \frac{- 7}{9}$
Standard form of $\frac{3}{- 2} = \frac{- 3}{2}$
Hence, the correct answer is option (b).

RATIONAL NUMBERS

297904 Express $\frac{126}{- 196}$ as simplest rational number with numerator equal to:

1 63

2 -9

3 -126

4 None of these

Explanation:

-9
Given $\frac{126}{- 196} = \frac{- 9 \times 14}{14 \times 14} = \frac{- 9}{14}$

RATIONAL NUMBERS

297906 The sum of $\frac{8}{15}$ and $\frac{7}{15}$ is:

1

1

2

\frac{1}{15}

3

\frac{1}{30}

4

none

Explanation:

$1$
Click and drag to move

RATIONAL NUMBERS

297907 The whole number nearest to 457 and divisible by 11 is:

1 450

2 451

3 460

4 462

RATIONAL NUMBERS

297732 What is the multiplicative identity element in the set of whole numbers?

1 0

2 1

3 -1

4 None of these.

RATIONAL NUMBERS

297727 The rational number equal to $\frac{2}{- 3}$ is:

1

\frac{14}{- 18}

2

\frac{- 6}{9}

3

\frac{- 8}{- 12}

4

\frac{3}{- 2}

Explanation:

$\frac{- 6}{9}$
We know that two rational numbers are equal if they have the same standard form.
$\frac{2}{- 3} = \frac{2 \times (- 1)}{- 3 \times (- 1)} = \frac{- 2}{3}$
The standard form of $\frac{2}{- 3} is \frac{- 2}{3}$
Consider the rational number $\frac{- 6}{9}$
HCF of 6 and 9 = 3
Dividing the numerator and denominator of $\frac{- 6}{9}$ by 3,
We have:
$\frac{- 6}{9} = \frac{- 6 \div 3}{9 \div 3} = \frac{- 2}{3}$
So, the rational number $\frac{- 6}{9}$ is equal to $\frac{2}{- 3}$
It can be checked that:
Standard form of $\frac{14}{- 18} = \frac{- 7}{9}$
Standard form of $\frac{3}{- 2} = \frac{- 3}{2}$
Hence, the correct answer is option (b).

RATIONAL NUMBERS

297904 Express $\frac{126}{- 196}$ as simplest rational number with numerator equal to:

1 63

2 -9

3 -126

4 None of these

Explanation:

-9
Given $\frac{126}{- 196} = \frac{- 9 \times 14}{14 \times 14} = \frac{- 9}{14}$

RATIONAL NUMBERS

297906 The sum of $\frac{8}{15}$ and $\frac{7}{15}$ is:

1

1

2

\frac{1}{15}

3

\frac{1}{30}

4

none

Explanation:

$1$
Click and drag to move

RATIONAL NUMBERS

297907 The whole number nearest to 457 and divisible by 11 is:

1 450

2 451

3 460

4 462

RATIONAL NUMBERS

297732 What is the multiplicative identity element in the set of whole numbers?

1 0

2 1

3 -1

4 None of these.

RATIONAL NUMBERS

297727 The rational number equal to $\frac{2}{- 3}$ is:

1

\frac{14}{- 18}

2

\frac{- 6}{9}

3

\frac{- 8}{- 12}

4

\frac{3}{- 2}

Explanation:

$\frac{- 6}{9}$
We know that two rational numbers are equal if they have the same standard form.
$\frac{2}{- 3} = \frac{2 \times (- 1)}{- 3 \times (- 1)} = \frac{- 2}{3}$
The standard form of $\frac{2}{- 3} is \frac{- 2}{3}$
Consider the rational number $\frac{- 6}{9}$
HCF of 6 and 9 = 3
Dividing the numerator and denominator of $\frac{- 6}{9}$ by 3,
We have:
$\frac{- 6}{9} = \frac{- 6 \div 3}{9 \div 3} = \frac{- 2}{3}$
So, the rational number $\frac{- 6}{9}$ is equal to $\frac{2}{- 3}$
It can be checked that:
Standard form of $\frac{14}{- 18} = \frac{- 7}{9}$
Standard form of $\frac{3}{- 2} = \frac{- 3}{2}$
Hence, the correct answer is option (b).

RATIONAL NUMBERS

297904 Express $\frac{126}{- 196}$ as simplest rational number with numerator equal to:

1 63

2 -9

3 -126

4 None of these

Explanation:

-9
Given $\frac{126}{- 196} = \frac{- 9 \times 14}{14 \times 14} = \frac{- 9}{14}$

RATIONAL NUMBERS

297906 The sum of $\frac{8}{15}$ and $\frac{7}{15}$ is:

1

1

2

\frac{1}{15}

3

\frac{1}{30}

4

none

Explanation:

$1$
Click and drag to move

RATIONAL NUMBERS

297907 The whole number nearest to 457 and divisible by 11 is:

1 450

2 451

3 460

4 462

RATIONAL NUMBERS

297732 What is the multiplicative identity element in the set of whole numbers?

1 0

2 1

3 -1

4 None of these.

RATIONAL NUMBERS

297727 The rational number equal to $\frac{2}{- 3}$ is:

1

\frac{14}{- 18}

2

\frac{- 6}{9}

3

\frac{- 8}{- 12}

4

\frac{3}{- 2}

Explanation:

$\frac{- 6}{9}$
We know that two rational numbers are equal if they have the same standard form.
$\frac{2}{- 3} = \frac{2 \times (- 1)}{- 3 \times (- 1)} = \frac{- 2}{3}$
The standard form of $\frac{2}{- 3} is \frac{- 2}{3}$
Consider the rational number $\frac{- 6}{9}$
HCF of 6 and 9 = 3
Dividing the numerator and denominator of $\frac{- 6}{9}$ by 3,
We have:
$\frac{- 6}{9} = \frac{- 6 \div 3}{9 \div 3} = \frac{- 2}{3}$
So, the rational number $\frac{- 6}{9}$ is equal to $\frac{2}{- 3}$
It can be checked that:
Standard form of $\frac{14}{- 18} = \frac{- 7}{9}$
Standard form of $\frac{3}{- 2} = \frac{- 3}{2}$
Hence, the correct answer is option (b).

RATIONAL NUMBERS

297904 Express $\frac{126}{- 196}$ as simplest rational number with numerator equal to:

1 63

2 -9

3 -126

4 None of these

Explanation:

-9
Given $\frac{126}{- 196} = \frac{- 9 \times 14}{14 \times 14} = \frac{- 9}{14}$

RATIONAL NUMBERS

297906 The sum of $\frac{8}{15}$ and $\frac{7}{15}$ is:

1

1

2

\frac{1}{15}

3

\frac{1}{30}

4

none

Explanation:

$1$
Click and drag to move

RATIONAL NUMBERS

297907 The whole number nearest to 457 and divisible by 11 is:

1 450

2 451

3 460

4 462

RATIONAL NUMBERS

297732 What is the multiplicative identity element in the set of whole numbers?

1 0

2 1

3 -1

4 None of these.

RATIONAL NUMBERS

297727 The rational number equal to $\frac{2}{- 3}$ is:

1

\frac{14}{- 18}

2

\frac{- 6}{9}

3

\frac{- 8}{- 12}

4

\frac{3}{- 2}

Explanation:

$\frac{- 6}{9}$
We know that two rational numbers are equal if they have the same standard form.
$\frac{2}{- 3} = \frac{2 \times (- 1)}{- 3 \times (- 1)} = \frac{- 2}{3}$
The standard form of $\frac{2}{- 3} is \frac{- 2}{3}$
Consider the rational number $\frac{- 6}{9}$
HCF of 6 and 9 = 3
Dividing the numerator and denominator of $\frac{- 6}{9}$ by 3,
We have:
$\frac{- 6}{9} = \frac{- 6 \div 3}{9 \div 3} = \frac{- 2}{3}$
So, the rational number $\frac{- 6}{9}$ is equal to $\frac{2}{- 3}$
It can be checked that:
Standard form of $\frac{14}{- 18} = \frac{- 7}{9}$
Standard form of $\frac{3}{- 2} = \frac{- 3}{2}$
Hence, the correct answer is option (b).

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