Divisibility!
What is the smallest prime value that is a factor of 45?
3
What is 1/2 + 1/3?
5/6
What is the value of (-2/3)⁻¹
-3/2
Find the area of a circle with a diameter 4cm
4pi
Is 2009 divisible by seven?
Yes
What TYPE of fraction is 27/4?
What is x if (x + 5)⁻³ = −1?
-6
How many tangents can be drawn to a circle from a point outside the circle?
2
Which number is divisible by 6?
3106 124 72144
72144
What is the value of a if
7/9 - 3/8 = a/144?
58
If 19600 can be expressed as 2ᵃ × 5ᵇ × 7ᶜ, where a, b and c are positive integers, find the value of a + b - c:
4
If the greatest chord of the circle is 10 cm then find the length of its radius.
5cm
Which of the following numbers is divisible by 13?
146, 156, 166, 176, 186
156
Which of the following fractions, when expressed in decimal form, will be repeating fractions?
5/7, 13/25, 17/99
5/7 AND 17/99
Consider the function y=x3 - 15x2 + 71x - 105.
What is the sum of the SQUARES of the roots of this equation?
Find the center and radius of the circle described by the equation:
x2 - 2x + y2 - 2y = 0
Radius: sqrt(2)
Center: (1,1)