Equations of straight lines - Jamb Mathematics Past Questions and Answers

Question 6:

• JAMB 2018

Find the equation of the line through (5,7) parallel to the line 7x + 5y = 12

A. 5x + 7y = 20
B. 7x + 5y = 70
C. Xy = 7
D. 15x + 17y = 90

Question 7:

• JAMB 2015

Find the x and y intercepts of the graph of 3x - z \(\leq\) 9

A. (3, -9)
B. (-3, 9)
C. (-3, -9)
D. (-3, 0)

Question 8:

• JAMB 2015

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

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

Question 9:

• JAMB 2014

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

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

Question 10:

• JAMB 2014

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)?

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