SQA National 5 Mathematics Area 1 Expressions and Formulae overview quiz quiz

$2\sqrt{8}$

$4\sqrt{2}$

$8\sqrt{2}$

$16\sqrt{2}$

$2\sqrt{6}$

$12\sqrt{6}$

$\dfrac{\sqrt{6}}{2}$

$6\sqrt{6}$

$2$

$4$

$16$

$\dfrac{1}{4}$

$4.5 \times 10^5$

$4.5 \times 10^6$

$45 \times 10^5$

$4.5 \times 10^{-6}$

$8 \times 10^7$

$8 \times 10^{12}$

$6 \times 10^7$

$8 \times 10^{8}$

$x^2 + 3x - 10$

$x^2 - 3x - 10$

$x^2 + 7x - 10$

$x^2 + 3x + 10$

$5(x^2 - 4)$

$5(x + 2)(x - 2)$

$(5x + 10)(x - 2)$

$5(x - 2)^2$

$(x + 5)(x - 3)$

$(x - 5)(x + 3)$

$(x + 5)(x + 3)$

$(x - 5)(x - 3)$

$(x + 4)^2 - 13$

$(x + 4)^2 + 3$

$(x + 8)^2 - 13$

$(x + 4)^2 - 19$

$x - 4$

$x + 4$

$x - 16$

$x^2 - 4$

$\dfrac{2}{x + 3}$

$\dfrac{3 + x}{3x}$

$\dfrac{x + 3}{x}$

$\dfrac{4}{3x}$

$2$

$3$

$4$

$\dfrac{1}{3}$

$0$

$1$

Undefined

Negative

$9\pi$ cm$^2$

$6\pi$ cm$^2$

$36\pi$ cm$^2$

$3\pi$ cm$^2$

$9\pi$ cm$^3$

$27\pi$ cm$^3$

$36\pi$ cm$^3$

$12\pi$ cm$^3$