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Question (41)

QN009079

A line represented by y=2x+1 cuts the y-axis at:

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

Correct Answer: A

Explanation:

Put x=0, then y=1.

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Question (42)

QN009080

Which point lies on the line y=3x?

(A) (1,2)
(B) (2,5)
(C) (3,9)
(D) (4,10)

Correct Answer: C

Explanation:

3(3)=9

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Question (43)

QN009081

Which equation represents a line passing through the origin?

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

Correct Answer: B

Explanation:

Line passes through origin when y-intercept is 0.

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Question (44)

QN009082

Which line has a negative slope?

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

Correct Answer: C

Explanation:

Negative coefficient of x gives negative slope.

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Question (45)

QN009083

Which of the following lines is steeper?

(A) y= 3 1 x
(B) y=x
(C) y=3x
(D) All are equally steep

Correct Answer: C

Explanation:

Greater slope means steeper line.

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Question (46)

QN009084

The graph of every linear equation is a:

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

Correct Answer: D

Explanation:

Linear equations form straight lines.

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Question (47)

QN009085

Lines with equal slopes and different y-intercepts are:

(A) perpendicular
(B) parallel
(C) intersecting
(D) curved

Correct Answer: B

Explanation:

Parallel lines have same slope.

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Question (48)

QN009086

The y-intercept of the line y=2x+5 is:

(A) 2
(B) 5
(C) –2
(D) –5

Correct Answer: B

Explanation:

Constant term is the y-intercept.

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Question (49)

QN009087

Linear growth is represented graphically by a straight line with:

(A) zero slope
(B) positive slope
(C) negative slope
(D) undefined slope

Correct Answer: B

Explanation:

Positive slope indicates growth.

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Question (50)

QN009088

Linear decay is represented graphically by a straight line with:

(A) positive slope
(B) no slope
(C) negative slope
(D) infinite slope

Correct Answer: C

Explanation:

Negative slope indicates decay.

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Question (41)

A line represented by y=2x+1 cuts the y-axis at:

Explanation:

Link:

Question (42)

Which point lies on the line y=3x?

Explanation:

Link:

Question (43)

Which equation represents a line passing through the origin?

Explanation:

Link:

Question (44)

Which line has a negative slope?

Explanation:

Link:

Question (45)

Which of the following lines is steeper?

Explanation:

Link:

Question (46)

The graph of every linear equation is a:

Explanation:

Link:

Question (47)

Lines with equal slopes and different y-intercepts are:

Explanation:

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Question (48)

The y-intercept of the line y=2x+5 is:

Explanation:

Link:

Question (49)

Linear growth is represented graphically by a straight line with:

Explanation:

Link:

Question (50)

Linear decay is represented graphically by a straight line with:

Explanation:

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