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Mathematics Past Questions and Answers

Topic: Equations of straight lines

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Jamb Mathematics Questions - Equations of straight lines

Question 1:

If given two points A(3, 12) and B(5, 22) on a x-y plane. Find the equation of the straight line with intercept at 2.

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A Y = 5x + 2
B Y = 5x + 3
C Y = 12x + 2
D Y = 22x + 3

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Question 2:

Find the equation of a line which is form origin and passes through the point (−3, −4)

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A Y = \( \frac{3x}{4} \)
B Y = \( \frac{4x}{3} \)
C Y = \( \frac{2x}{3} \)
D Y = \( \frac{x}{2} \)

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Question 3:

Find the equation of the straight line through (-2, 3) and perpendicular to 4x + 3y - 5 = 0

SchoolNGR Classroom

A 3x - 4y + 18 = 0
B 3x + 2y - 18 = 0
C 4x + 5y + 3 = 0
D 5x - 2y - 11 = 0

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Question 4:

In the figure above, what is the equation of the line that passes the y-axis at (0,5) and passes the x-axis at (5,0)?

SchoolNGR Classroom

A Y = x + 5
B Y = -x + 5
C Y = x - 5
D Y = -x - 5

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Question 5:

In the figure, PQR is a straight line. Find the values of x and y

SchoolNGR Classroom

A X = 22.5<sup style='font-size: smaller;'>o</sup>, y = 33.75<sup style='font-size: smaller;'>o</sup>
B X = 15<sup style='font-size: smaller;'>o</sup>, y = 52.5<sup style='font-size: smaller;'>o</sup>
C X = 22.5<sup style='font-size: smaller;'>o</sup>, y = 45.0<sup style='font-size: smaller;'>o</sup>
D X = 56.25<sup style='font-size: smaller;'>o</sup>, y = 11.5<sup style='font-size: smaller;'>o</sup>

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