Quadratic Equations

Hong Kong

Stage 4 - Stage 5

$x=6$`x`=6 and $x=9$`x`=9 are the roots of a quadratic equation.

a

What is the equation in factored form?

b

What is the equation in expanded form?

Easy

2min

$x=\frac{8}{17}$`x`=817 and $x=8$`x`=8 are the roots of a monic quadratic equation.

Easy

3min

Consider the equation $x^2-5x+1=0$`x`2−5`x`+1=0.

Easy

1min

Consider the equation $\left(3x+2\right)\left(x+5\right)=4$(3`x`+2)(`x`+5)=4.

Easy

2min

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