Polynomials - Jamb Mathematics Past Questions and Answers

Question 26:

• JAMB 2016

Solve for x and y respectively
3x - 5y = 9
6x - 4y = 12

A. $\frac{3}{4}$, 1
B. $\frac{4}{3}$, 1
C. $\frac{3}{4}$, -1
D. $\frac{4}{3}$, -1

Question 27:

• JAMB 2015

Factorize x² + 9x + 20

A. (x − 5) ²
B. (x + 5)(x + 4)
C. (x — 5)(x + 3)
D. (x + 3) ²

Question 28:

• JAMB 2015

Solve the equation $3x^2-4x-5=0$

A. X = 1.75 or − 0.15
B. X = 2.12 or − 0.79
C. X = 1.5 or − 0.34
D. X = 2.35 or −1.23

Question 29:

• JAMB 2015

Make x the subject of the equation
s = 2 + $\frac{t}{5}$(x + 3/5y)

A. X = 5[(s − 2) ÷ t] + 3yt
B. X = 25[(s − 2) ÷ t] − 3ty
C. X = [1 ÷ (s − 2)3ty]
D. X = [5(s − 2) 2 ÷ 3ty] x t

Question 30:

• JAMB 2015

Factorize $x^2-2x-15$

A. (x + 3)²
B. (x + 5)(x − 3)
C. (x − 5)²
D. (x − 5)(x + 3)