Sketching Quadratics Revision

Expand the following:
3(x-4)

• 3x-4
• x³-12
• 3x-12
• 3x+12

Expand the following:
-7(2x-6)

• -14x+42
• -14x-6
• -14x-42
• 2x+42

Expand the following:
(a+5)(a-9)

• 2a-4a-45
• a²-14a+45
• 2a-14a+45
• a²-4a-45

Factorise the following:
5b²-b

• 5(b²-b)
• b(5b-1)
• b(5b²-b)
• b(5b-b)

Factorise the following:
x²+8x-33

• (x+33)(x-1)
• (x-33)(x+1)
• (x+11)(x-3)
• (x+3)(x-11)

Factorise the following:
x²+5x+6

• (x+1)(x+6)
• (x-3)(x+2)
• (x-3)(x-2)
• (x+3)(x+2)

Describe the change to y=x²
y=x²+2

• Translates 2 units vertically down the y axis
• Translates 2 units horizontally left along the x axis
• Translates 2 units vertically up the y axis
• Translates 2 units horizontally right along the x axis

Describe the change to y=x²
y=(x+1)²

• Translates 1 unit horizontally left along the x-axis
• Translates 1 unit vertically up the y-axis
• Translates 1 unit horizontally right along the x-axis
• Translates 1 unit vertically down the y axis

Describe the change to y=x²
y=x²-2

• Translates 2 units horizontally left along the x-axis
• Translates 2 units vertically up the y axis
• Translates 2 units horizontally right along the x-axis
• Translates 2 units vertically down the y axis

For the Parabola:
y=x²+2x-3 state the y intercept

• 3
• (-3,1)
• -3
• 2