Key terms

• What is an algebraic expression?

  An algebraic expression is a mathematical phrase that contains variables, numbers, and operations such as addition, subtraction, multiplication, and division.
• What is a term in math?

  A group of numbers or variables which is combined only by multiplying or dividing.
• what is polygon?

  A closed 2D shape with straight sides.
• What is quadrilateral?

  A four-sided polygon.
• What’s the term reflection mean in math?

  Reflection means a transformation that flips a figure over a line. In this case i’s mirror image of the shape.
• What is the term horizontal in math?

  Parallel
• What is the term vertical mean in math?

  Perpendicular
• What is this shape called?

  Trapezium

  
• What’s this shape called?

  Isosceles trapezium

  
• What is perpendicular?

  At a right angle. (90 degrees)
• What is this shape called?

  Rhombus

  
• How many sides does a heptagon have?

  Seven
• how many sides does a octagon have?

  Eight
• How many sides does a nonagon have?

  Nine
• How many sides does decagon have?

  10
• How many sides does a pentagon have?

  Five
• How many sides does a hexagon have?

  Six
• What does the term interest mean in math?

  Money paid for the use of other money.A bank charges you interest for borrowing money for them.
• What does compound interest mean?

  Interest that is calculated on both the original amount and any interest has already been earned.
• What’s the compound interest formula?

  Amount of money you start with times percentage multiplier to the power of number of years.
• What does the term volume mean in math?

  The space inside of a 3D shape.
• What is a prism?

  A 3D shape that has a consistent cross section.
• What’s the equation for cone?

  \(V = \frac{1}{3} \pi r^2 h\)
• What’s the equation for pyramid?


  \(V = \frac{1}{3}Bh\)
• What’s the equation for sphere?

  \(V =frac{4}{3}/pi r^3\)
• What’s the equation for the area of a circle?

  πr^2
• What’s the equation for circumference of a circle?

  Pie times diameter
• what is the surface area?

  The total area of the outer surface of an object.
• What is quadratic?

  An equation/expression where the highest power of the variable is 2
• What’s coefficient?

  A number in front of a variable.
• What’s a constant?

  A value that does not change.

  A number on its own without any variable.
• What is this equation shows?

  X^2 -100 = (x-10)(x+10)

  Difference of two squares
• What’s an expression?

  A mathematical statement containing numbers, variables, and operations.
• What’s an equation?

  Mathematical statement with an equal sign.
• What’s the equation of a linear graph describes?

  How an input (x) turns into its output (y).
• What’s a gradient?

  A numeric value that describes the ‘steepness’ of a line.
• What’s the equation for gradient?

  Rise divides by step
• What’s the general form of a linear graph?

  Straight line

  Y= mx + c
• What does all parallel lines have in common?

  Same gradient
• What’s parallel lines?

  Lines that never intersect.