Waec Further Mathematics 2007 Past Questions and Answers

Question 11:

• WAEC 2007

Find the fourth term of the binomial expansion of $(x-k{)}^5$ in descending powers of x.

A. $10x^3{k}^2$
B. $5x^3{k}^2$
C. $-5x^2{k}^3$
D. $-10x^2{k}^3$

Question 12:

• WAEC 2007

The tangent to the curve $y=4x^3+k{x}^2-6x+4$ at the point P(1, m) is parallel to the x- axis, where k and m are constants. Find the value of k.

A. 3
B. 2
C. -3
D. -2

Question 13:

• WAEC 2007

The tangent to the curve $y=4x^3+k{x}^2-6x+4$ at the point P(1, m) is parallel to the x- axis, where k and m are constants. Determine the coordinates of P.

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

Question 14:

• WAEC 2007

Given that ${\log }_2{y}^{\frac{1}{2}}={\log }_{5}125$, find the value of y.

A. 16
B. 25
C. 36
D. 64

Question 15:

• WAEC 2007

Two vectors m and n are defined by $m=3i+4j$ and $n=2i-j$. Find the angle between m and n.

A. 97.9°
B. 79.7°
C. 63.4°
D. 36.4°