Year 9 Quadratic Algebra Quiz

$x^2–4x+6$

$x^2-3x^3+2$

$(x–2)(x–2)$

$\frac{x^2}{3}+6x$

$(2x–5)(x+4)$

x = 2, x = 3

x = −2, x = −3

$x=\frac{1}{2},\ x=\frac{1}{3}$

$x=-\frac{1}{2},\ x=-\frac{1}{3}$

None of the above

$8-2x^2=0$

$5x^2+10x=0$

$16+4x^2=0$

$x^2+2x+1=0$

$-3x^2-10x-8=0$

x = 4, x = 8

x = −4, x = −8

$x=1\frac{1}{3},\ x=\frac{5}{8}$

$x=1\frac{1}{3},\ x=-1\frac{1}{3}$

$x=1\frac{1}{3},\ x=1\frac{3}{5}$

A    m = −2, m = 6

A    m = 2, m = −6

 $m=-\frac{2}{3},\ m=12$  

 $m=3,\ m=-\frac{8}{3}$  

 $m=-12,\ m=\frac{2}{3}$  

solutions 2 and −2

solutions 1 and −1

solutions 3 and 1

solutions −3 and−1

no solutions

x=0

x=2

x=-2

x=5

x=-5

x=0

x=3

x=-3

x=4

x=6

x=0

x=2

x=3

x=5

x=-5

x=0

x=2

x=4

x=6

x=10