Grand finale
Simplify e2 – f2
A. (e+f) (e-f)
B. (e+f) (f+e)
C. (e-f) (f-e)
D. e+f
E e – f
A. (e+f) (e-f)
What's the coefficient of x2 in x2 + 3x -5 is _______
A. 3
B. 1
C. -5
D. 2
E. 0
B. 1
Round 0.99905 to 2 decimal places
a. 1.00
b. 0.90
c. 0.9
d. 1.90
e. 1.99
a. 1.00
The HCF of two numbers is 8, which of the following can never be their LCM?
a. 24
b. 56
c. 48
d. 60
d. 60
Calculate the LCM of 5, 10 and 15
a. 20
b. 30
c. 40
d. 15
e. 50
b. 30
A boy walks 1260m on a bearing of 120o. How far South is he from his starting point?
A. 630m
B. 530m
C. 730m
D. 630km
E. 430km
A. 630m
Esther is 3 times as old as her sister Tolu, if the sum of their ages is 20 years. Find the difference between their ages.
A. 20 years
B 8 years
C 10 years
D 12 years
E. 6 years
C 10 years
Solve for y: 3x + y = 12
A y = -3x +12
B x = y + 12
C y = 3x -12
D x = y + 4
E 3x = 12 – y
y = -3x +12
Express 0.000307 in standard form
a. 0.307
b. 3.07 x 10-4
c. 3.7 x 104
d. 3.07 x 104
e. 3.7 x 10-4
d. 3.07 x 104
Which of the following pair of numbers can exactly be divisible by 9?
a. 93 and 146
b. 56 and 72
c. 72 and 198
d. 3 and 198
e. 146 and 198
e. 1.99
c. 72 and 198
A monkey sits on a tree limb that is 25 feet above the ground. He swings up 10 feet, climbs up 6 feet more then jumps down 13 feet. How far off the ground is the monkey now?
a. 28 feet
b. 31 feet
c. 54 feet
d. 25 feet
e. 43 feet
a. 28 feet
Write the following statement in the form of an equation:
Add 1 to three times n to get 7
a. 3n + 1 = 7
b. 3n – 1 = 7
c. 3n + 7 = 1
d. 3 + n = 7
e. none of these
a. 3n + 1 = 7
What is the Point that Lies in the 3rd Quadrant Called?
a. (5, 5)
b. (5, -5)
c. (-5, -5)
d. (0, 0)
e. (3, -3)
c. (-5, -5)
Solve the inequality 3x+2 < 20
(a) x<6
(b) x<8
(c) x<7
(d) x<9
(e) x>10
(d) x<9
The sum of the ages of a father and his son is 50 years. If the father is 4 times as old as his son, what are their ages?
(a) 20 and 5
(b) 40 and 10
(c) 8 and 9
(d) 50 and 2
(e) 15 and 35
(b) 40 and 10
The solution set for 3x(x + 2) = 0 is
A. {0, 2}
B. {3, -2}
C. {3, 2}
D. {0, 3}
E. {0, -2}
E. {0, -2}
The solution set for x2 = 5x is
A. {-5, 0}
B. { -5}
C. {5, 0}
D. {5}
E. {0, 5}
C. {5, 0}
The solution set of x2 = 4 is______
A. {2}
B. {-2. 2}
C. {16}
D. { 0, 2}
E. {2,4}
{-2. 2}
Make x the subject of the equation: y = 0.5x + 2
A. x = 0.5y - 2
B. x = 2y - 4
C. x = 0.5y - 2
D. x = 2y – 2
E. x = 2y – 0.5
B. x = 2y - 4
Factorise: x2 - 10x + 24
A (x - 6)(x - 4)
B (x + 6)(x + 4)
C (x - 12)(x + 2)
D (x - 8)(x - 3)
E (x – 8)(x +3)
A (x - 6)(x - 4)