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10&10a

4.01 Quadratic equations

Interactive practice questions

Fill in the missing number.

We know that $5\times5=25$5×5=25. This means that $\sqrt{25}=\editable{}$25=

Easy
< 1min

How many solutions can a quadratic equation have in total?

Easy
< 1min

A quadratic equation can be written in the form $ax^2+bx+c=0$ax2+bx+c=0.

State the values of $a$a, $b$b, and $c$c for the equation $-5x^2-4x+8=0$5x24x+8=0

Easy
< 1min

Which of the following are quadratic equations?

Select all correct answers.

Easy
< 1min
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Outcomes

ACMNA230

Factorise algebraic expressions by taking out a common algebraic factor

ACMNA231

Simplify algebraic products and quotients using index laws

ACMNA232

Apply the four operations to simple algebraic fractions with numerical denominators

ACMNA233

Expand binomial products and factorise monic quadratic expressions using a variety of strategies

ACMNA241

Solve simple quadratic equations using a range of strategies

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