Algebra
The simplified fraction of 3/15.
What is 1/5?
The point where the axes of a coordinate system intersect.
What is (0,0)?
A triangle with an angle that is more than 90 degrees.
What is an obtuse triangle?
Length times width times height.
What is the volume of a cuboid?
The most frequent observation in a dataset.
What is the mode?
A value that can be unknown and is represented by a letter.
What is a variable?
What is a y-axis?
A rule which states that the ratio between a side and the sine value of its opposite angle is the same for all sides in a triangle.
What is the sine rule?
Pi times radius squared.
What is the area of a circle?
The sum of the frequencies of observations up to a certain point.
What is cumulative frequency?
Two or more equations with the same number of unknowns which should all be true at the same time.
What are simultaneous (linear) equations?
A graph that can NOT be drawn using a ruler.
What is a non-linear graph?
A rule for the lengths in a right-angled triangle.
What is the Pythagorean theorem?
Two Pi times radius times height.
What is the curved surface area of cylinder?
The total sum of observed values divided by the total number of observations.
What is the mean?
The factorization of a2-b2.
What is (a+b)(a-b)?
The gradient on a Distance-Time graph.
What is speed (or velocity)?
The term used when two figures have the same shape and size.
What is congruence?
A solid that fits exactly within a given distance from a point.
What is a sphere?
The point at which the frequency has accumulated to 25%.
What is the first (or lower) quartile?
The factorization of x2+5x+6.
What is (x+3)(x+2)?
A method for finding the distance traveled when using a Speed-Time graph.
What is the area under a (Speed-Time) graph?
The number of sides minus 2 and then multiplied by 180 degrees.
What is the sum of interior angles in a polygon?
One third times the volume of the surrounding cylinder.
What is the volume of a cone?
The collection of observations into classes, which makes it easier to get an overview of the results.
What is grouped data?