Question # 1

Any matrix "A" is a symmetric matrix if:

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A = -A

A = A^t

A = -A^t

A = A^-t

B² - 4ac in a quadratic formula is called

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Nature of root

Discriminant

Solution set

Extraneous root

Cramer's rule is used to solve

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System of quadratic equation

System of linear equation

Any system of equation

None

In compound interest method, the interest earned is considered as to be:

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Reinvested

De-invested

Both a and b

None of these

Equation of the form ax⁴ + bx³ + bx + a is:

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Polynomial

Reciprocal

Irrational

None of these

(1001001)₂ in decimal system is -----------------------

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37

67

73

87

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{3}

R

R - {x = 3}

None of these

The origin is:

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(0,x)

(y,0)

(0,0)

(x,y)

A square matrix A is said to be singular if.

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|A| = 0

|A| ≠ 0

|A| = 1

|A| ≠ 1

If matrix contains single column and 3 rows then this type of matrix is called.

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Row matrix

Column matrix

Null matrix

Identity matrix

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If A is a singular matrix then:

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A = 0

|A| = 0

A ≠ 0

|A| ≠ 0

Both sides of an equation are joined by

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>

<

=

≠

3.25 is a ratio of:

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3 and 25

32.5 and 10

325 and 100

13 and 4

Proportion is usually denoted by

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:

: :

<

>

S_ni is read us:

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S angle i at n

S angle n at i

Amount S at i

Annuity S at n

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Business Mathematics Icom Part 1 Online Test MCQs With Answers

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