Solution of Literal Equations and Systems of Equations (VCE SSCE Mathematical Methods): Quizzes

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Solution of Literal Equations and Systems of Equations
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What is a literal equation?

An equation with multiple letters/symbols

How many solutions does x3=8x^3 = 8 have?

Only one solution

If nn is even, how many solutions does bn=ab^n = a have (where a0a \geq 0)?

Two solutions: positive and negative

What is the most common error when solving equations with even powers?

Forgetting the negative solution

What are the solutions to x4=cx^4 = c where c>0c > 0?

x=±c4x = \pm\sqrt[4]{c}

For a quadratic literal equation, when do real solutions exist?

When b24ac0b^2 - 4ac \geq 0

Is x1/5x^{1/5} (fifth root) an odd or even power?

Odd power

What method is used to find intersection points of two curves?

Substitution method

What does a repeated root indicate when solving simultaneous equations?

The curves touch at exactly one point

How should intersection point solutions be stated?

As coordinate pairs

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