Solving Linear Equations (Leaving Cert Mathematics): Quizzes

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Solving Linear Equations
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10 questions from this quiz

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What operation is performed first in algebra?

Parentheses

What does y=mx+cy = mx + c describe?

straight line

What does BIMDAS indicate in order of ops?

Brackets, Indices, Mult, Div, Add, Sub

Which two ops have same precedence?

Addition & Subtraction

In (x+1)2(x+1)^2 which is evaluated first?

Brackets

Simplify 2(x−1)−4x2(x-1)-4x inside brackets gives:

−2x−2-2x-2

Simplify x2+2x+1−4x−4−x2x^2+2x+1-4x-4-x^2 equals:

−2x−3-2x-3

When add & sub share precedence evaluate:

Left to right

Do we simplify most nested brackets first?

Yes

First step for (x+1)2+2(2(x−1)−4x)−x2(x+1)^2+2(2(x-1)-4x)-x^2 is:

Simplify inner bracket 2(x−1)−4x2(x-1)-4x

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