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Question (1)

QN008989

Which of the following is a variable in the expression 4x+5y+3?

(A) 4
(B) 5
(C) x
(D) 3

Correct Answer: C

Explanation:

x is a variable because its value can change.

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Question (2)

QN008990

Which of the following is the constant term in the polynomial 7x−9?

(A) 7
(B) x
(C) –9
(D) 9x

Correct Answer: C

Explanation:

The term without variable is the constant term.

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Question (3)

QN008991

Which polynomial has degree 1?

(A) x 2 +3x+1
(B) 5x−7
(C) 2x 3 −1
(D) 9

Correct Answer: B

Explanation:

Highest power of x is 1.

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Question (4)

QN008992

The highest power of the variable in a polynomial is called its:

(A) coefficient
(B) variable
(C) degree
(D) constant

Correct Answer: C

Explanation:

Degree is the highest power of the variable.

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Question (5)

QN008993

Which of the following is a quadratic polynomial?

(A) 3x+5
(B) x 2 −4x+1
(C) 7
(D) 2x 3 +x

Correct Answer: B

Explanation:

Degree of the polynomial is 2.

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Question (6)

QN008994

The polynomial 8 is a polynomial of degree:

(A) 0
(B) 1
(C) 2
(D) undefined

Correct Answer: A

Explanation:

Constant polynomials have degree 0.

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Question (7)

QN008995

In the polynomial 5y 3 +y 2 +2y−1, the coefficient of y 3 is:

(A) 1
(B) 2
(C) 3
(D) 5

Correct Answer: D

Explanation:

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Question (8)

QN008996

Which of the following represents a linear relationship?

(A) y=x 2 +1
(B) y=3x−4
(C) y=x 3
(D) y= x 1

Correct Answer: B

Explanation:

Degree of the equation is 1.

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Question (9)

QN008997

A polynomial of degree 3 is called:

(A) linear polynomial
(B) quadratic polynomial
(C) cubic polynomial
(D) constant polynomial

Correct Answer: C

Explanation:

Degree 3 polynomials are cubic polynomials.

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Question (10)

QN008998

The line represented by y=ax always passes through:

(A) (1, 1)
(B) (0, 1)
(C) the origin
(D) the y-axis only

Correct Answer: C

Explanation:

When x = 0, y = 0.

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Question (1)

Which of the following is a variable in the expression 4x+5y+3?

Explanation:

Link:

Question (2)

Which of the following is the constant term in the polynomial 7x−9?

Explanation:

Link:

Question (3)

Which polynomial has degree 1?

Explanation:

Link:

Question (4)

The highest power of the variable in a polynomial is called its:

Explanation:

Link:

Question (5)

Which of the following is a quadratic polynomial?

Explanation:

Link:

Question (6)

The polynomial 8 is a polynomial of degree:

Explanation:

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Question (7)

In the polynomial 5y 3 +y 2 +2y−1, the coefficient of y 3 is:

Explanation:

Link:

Question (8)

Which of the following represents a linear relationship?

Explanation:

Link:

Question (9)

A polynomial of degree 3 is called:

Explanation:

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Question (10)

The line represented by y=ax always passes through:

Explanation:

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