Coordinate Geometry - Jamb Mathematics Past Questions and Answers

Question 41:

• JAMB 1985

At what real value of x do the curves whose equations are y = x³ + x and y = x² + 1 intersect?

A. -2
B. 2
C. -1
D. 9
E. 1

Question 42:

• JAMB 1986

At what points does the straight line y = 2x + 1 intersect the curve y = 2x² + 5x - 1?

A. (-2, -3) and(\(\frac{1}{2}\), 0)
B. (1, 0), (1, 3)
C. (4, 0) and (0,1)
D. 2, 0) and (0,1)

Question 43:

• JAMB 1987

Find the values of m which make the following quadratic function a perfect square. x² + 2(m + 1)x + m + 3

A. -1, 1
B. -1, 2
C. 1, -2
D. 2, -2

Question 44:

• JAMB 1989

On the curve, the points at which the gradient of the curve is equal to zero are

A. C, d, f. i, l
B. B, e, g, j, m
C. A, b, c, d, f, i, j, l
D. C, d, f, h, i, l

Question 45:

• JAMB 1991

Find the gradient of the line passing through the points (-2, 0) and (0, -4)

A. 2
B. -4
C. -2
D. 4