A set of cards matching vocabulary and definitions of algebraic terms
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
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| Algebra | The branch of mathematics where symbols or letters are used to represent numbers.
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| Axis | One of the lines used to locate a point in a coordinate system.
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| Coefficient | The number in front of an algebraic symbol, for example the 5 of 5x.
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| Constant | A letter or symbol whose value always stays the same, π is a common example.
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| Equation | Two expressions which have the same value, separated by an '=' sign, e.g. 3y = 9 + y.
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| Expand | To multiply out brackets in an expression, for example, 2(3x + 7) = 6x + 14.
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| Expression | A collection of terms which can contain variables (letters) and numbers, e.g. 4pq - q + 7.
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| Factorise | To put an expression into brackets by taking out a common factor, for example, 20x + 15y = 5(4x + 3y).
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| Formula | An equation used to describe a relationship between two or more variables.
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| Gradient | How steep a line is, found by dividing the distance up by the distance across.
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| Indices | Another name for powers such as ² or ³.
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| Quadratic equation | An equation where the highest power is two, for example x² + 4x + 6 = 0.
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| Sequence | A list of numbers which follows a pattern, for example 6, 11, 16, 21, ...
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| Solve | To find the missing value in an equation.
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| Term | A number, variable or combination of both which forms part of an expression.
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| Variable | A letter which we don't know the value of.
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| x-axis | The horizontal axis on a graph; the line going across the page.
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| y-axis | The vertical axis on a graph; the line going from top to bottom.
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| y-intercept | The value of the y-coordinate when a graph crosses the y-axis.
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| z-axis | Represents the depth of an object when working with 3D coordinates.
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| nth Term | A formula with 'n' in it which enables you to find any term of a sequence without having to go up from one term to the next.
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Created by:
ralphbcotmaths
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