OCR GCSE Mathematics Algebra overview quiz quiz

$x^2 - x - 20$

$x^2 - 20$

$x^2 + 9x - 20$

$x^2 - 9x + 20$

$(x - 6)^2$

$(x + 6)(x - 6)$

$(x + 18)(x - 18)$

$x(x - 36)$

$x = 11$

$x = 6$

$x = 4$

$x = 22$

$x = 2$ or $x = 4$

$x = -2$ or $x = 4$

$x = 2$ or $x = -4$

$x = -2$ or $x = -4$

$5$, two real roots

$13$, two real roots

$-5$, no real roots

$9$, one repeated root

$x = 4, y = 5$

$x = 5, y = 4$

$x = 8, y = 1$

$x = 9, y = 0$

$n + 5$

$5n + 1$

$5n + 6$

$6n + 5$

$n^2 + 1$

$2n^2$

$n^2 + n$

$3n - 1$

Gradient $-3$, intercept $4$

Gradient $4$, intercept $-3$

Gradient $3$, intercept $4$

Gradient $4$, intercept $3$

$\tfrac{1}{2}$

$2$

$-2$

$-\tfrac{1}{2}$

$x < 6$

$x < 1$

$x > 6$

$x < -1$

$x \ge -4$

$x \le -4$

$x \ge 4$

$x \le 4$

$y = \dfrac{x^2}{4} + 1$

$y = 2x - 3$

$y = \dfrac{6}{x}$

$y = x^3$

$t = v - u - a$

$t = \dfrac{v - u}{a}$

$t = \dfrac{v}{a} - u$

$t = \dfrac{u - v}{a}$