Geometry
Name 2 properties of a parallelogram.
1. They have two pairs of parallel lines
2. Opposite sides are equal
3. Opposite angles are equal
2x + 2x + 2x = ?
6x
PE
100%
What is the rule for this number pattern? 1, -4, -9, -14, ........
Decreases by -5.
What's the perimeter of a rectangle with length 5cm and breadth 6cm?
5cm + 5cm + 6cm + 6cm = 22cm
3a + 4a - 2a = ?
5a
How many children do Ms Craft and Ms O'Neill each have?
Ms Craft - 2 sons
Ms O'Neill - 1 son
What's the probability of rolling a 2 with a fair die?
1/6
Is x = 2 a horizontal or vertical line?
Vertical (cuts the x-axis)
A triangle has a base of 5cm and a perpendicular height of 6cm - what is its area?
5 x 6 x 1/2 = 15 cm2
4b / 2b = ?
2
Ms O'Neill has trekked to the base of which mountain?
Mount Everest.
You toss a coin three times in a row and every time it comes up HEADS. What's the probability the next toss will also be HEADS?
1/2 or 50%
What is the gradient of y = 2x + 2 ?
Gradient (m) = 2
Two co-interior angles (between parallel lines) always add up to how many degrees?
180o
Solve for y:
3y - 5 = 70
y = 25
Where did Ms O'Neill work for over 20 years before becoming a teacher?
The ATO (Australian Tax Office).
The probability of drawing a blue marble from a bag is 20%. What's the probability of NOT drawing a blue marble?
80%
Where does y = 2x + 2 intercept the y-axis?
Calculate the area of half a circle with radius of 5cm to the closest cm2.
Pi x 5 x 5 x 1/2
= 39 cm2
Expand this equation: b(b2 - c)= ?
b3 - bc
Ms Craft appears in a video on YouTube! What's the video of?
Driving, crashing and rolling a race car.
You roll two fair die. What's the probability of rolling two sixes?
1/6 x 1/6 = 1/36
Which is steeper?
y = 2x - 3 or y = 5x - 3
y = 5x - 3