Math test Flashcards
What is a heptagon?
A 7 sided polygon
What is a hexagon?
A 6 sided polygon
What is the formula for a polygons interior angles?
(n-2) x 180
n= number of sides
What is a slope of the line called in a graph?
The gradient
What is a quadratic function?
A function where ax 2 + bx + c
2= square
What is the smooth curve produced on a graph called?
The parabola
How do you calculate average speed?
total distance / total time
Formula for a triangular number
1/2n(n + 1)
n= position
What are congruent shapes?
They are shapes who’s corresponding sides and angles are the same
What are similar shapes?
Similar shapes are polygons that have the same angles and corresponding sides are in proportion.
What is a line of symmertry?
It’s a line that dividers a 2d shape into two identical shapes.
can only use the corners and sides.
What does it mean for an object to have rotational symmetry?
It means the shape looks the same even if rotated.
