Section 5 Higher Flashcards
How do we calculate interquartile range?
Upper quartile minus lower quartile
What do we call angles across each other on an “x”shape?
Vertically opposite angles
If y = kx and k is constant, what’s the proportional relationship between x and y?
y is directly proportional to x
What’s an arithmetic sequence?
A sequence made by adding the same value each time
In a distance time graph what does the gradient represent?
Speed
What do we call the part of a circle between a chord and the circumference?
Segment
What do we call two triangles with equal corresponding angles and proportionate sides?
Similar
How would we describe the correlation going from the bottom left to the top right?
Positive
How do you find the volume of a cylinder with height h and radius r?
πr²h
What’s a hexagon?
A six sided shape
In a right-angled triangle with angle x, how do we find x?
tan x = opposite / adjacent
What inequality is shown on a number line with a filled in circle on 0 and an empty circle on 4 with a line between the two circles.
0 ≤ x < 4