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Question (1)

QN009169

A relationship in which one quantity changes at a constant rate with another is called:

(A) quadratic relationship
(B) circular relationship
(C) linear relationship
(D) exponential relationship

Correct Answer: C

Explanation:

Linear relationships have constant rate of change.

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Question (2)

QN009170

Which equation represents a linear relationship?

(A) y=x 2 +3
(B) y=2x+5
(C) y= x 1
(D) y=x 3

Correct Answer: B

Explanation:

Linear equations have highest power 1.

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Question (3)

QN009171

In the equation y=4x+7, the coefficient of x is:

(A) 4
(B) 7
(C) 11
(D) –4

Correct Answer: A

Explanation:

Coefficient of x is 4.

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Question (4)

QN009172

In the equation y=4x+7, the constant term is:

(A) 4
(B) 7
(C) 11
(D) –7

Correct Answer: B

Explanation:

Constant term is 7.

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Question (5)

QN009173

Find the value of y when x=3 in y=2x+1.

(A) 5
(B) 6
(C) 7
(D) 8

Correct Answer: C

Explanation:

2(3)+1=7

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Question (6)

QN009174

Which ordered pair satisfies the equation y=3x+2?

(A) (1, 3)
(B) (2, 8)
(C) (3, 10)
(D) (4, 11)

Correct Answer: B

Explanation:

3(2)+2=8

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Question (7)

QN009175

The graph of a linear relationship is always a:

(A) circle
(B) parabola
(C) straight line
(D) curve

Correct Answer: C

Explanation:

Linear equations form straight lines.

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Question (8)

QN009176

If y=5x−4, find y when x=6.

(A) 24
(B) 25
(C) 26
(D) 27

Correct Answer: C

Explanation:

5(6)−4=26

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Question (9)

QN009177

Which equation has a negative slope?

(A) y=2x+1
(B) y=5x
(C) y=−3x+4
(D) y=x+9

Correct Answer: C

Explanation:

Negative coefficient gives negative slope.

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Question (10)

QN009178

The y-intercept of y=7x−2 is:

(A) –7
(B) –2
(C) 2
(D) 7

Correct Answer: B

Explanation:

Constant term is the y-intercept.

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