What is an Equation? (Junior Cert Mathematics): Quizzes

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What is an Equation?
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What must an equation always have?

An equals sign (=)

Which of these is an equation?

3x+5=123x + 5 = 12

In an equation, what is true about the left and right sides?

They have the same value

What are unknowns in equations?

Letters like xx or yy we need to find

What is the goal when solving an equation?

Find the value making both sides equal

What is a linear equation?

Unknown not raised to any power

What is a quadratic equation?

Unknown is squared (x2x^2)

Which operations can we use to solve equations?

Add, subtract, multiply or divide

What is the first step when solving equations?

Multiply out brackets

Why does y+6=0y + 6 = 0 need solving?

6=06 = 0 is not true

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Solving Equations

Simultaneous Equations

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Solving Equations

Simultaneous Equations

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Simultaneous Equations

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