Quadratics

Identify the 'a' value: y = 16x² -8x -24

• 16

• 8

• -8

• -24

Solve  by factoring
x² + 13x + 12 = 0

• x = -12, -1

• x = 12, 1

• x = 13, 1

• x = -13, -1

Does this graph have a maximum or minimum?

• Minimum

• Maximum

What is the axis of symmetry of:y=2x²-4x+9

• x = 1

• x = -1

• x = -2

• x = 4

What is the y-intercept of: y=7x²+2x -1

• (0, 1)

• (0, -1)

• (1, 0)

• (-1, 0)

Which direction will this parabola open?

• upwards

• downwards

Factor completely
k² -2k - 24

• (k+4)(k-6)

• (k+4)(k+6)

• (k+6)(k-1)

• (k-4)(k+6)

Factor completely
k²+7x+10

• (k+2)(k+5)

• (k-2)(k-5)

• (k+10)(k+4)

• (k+2)(k-5)

Factor completely
n² + 16n + 63

• (n-7)(n+4)

• (n+7)(n-9)

• (n-3)(n-10)

• (n+7)(n+9)

Factor: x² + 2x – 3

• (x - 2)(x + 1)

• (x + 1)(x - 3)

• (x + 2)(x - 1)

• (x - 1)(x + 3)