Everything Flashcards
6x9
54
Angles at a point…
Add up to 360’C
Base angles of an isosceles triangle…
Are equal
4x8
32
x=8 and y=-1. Show that 2x+3y=13
2x8=16 3x-1=-3 16-3=13
x=8 and y=-1. Write down an expression involving x and y that has a value of 18
3x+6y=18
15e+20e2
5e(3+4e)
Vertically opposite angles…
Equal
Angles in a triangle…
Add up to 180’C
What is the line called that goes half way across a circle?
Radius
6x5
30
12c-5c+4c
11c
What is the line called going through a circle?
Diameter
3x8
24
3a+7b+2a+2b
5a+9b
3(2c+3)
6c+9
3xy+10y
y(3x+10)
Alternate angles…
Are equal
6x7
42
4x6
24
p+2s+4p+2s
5p+4s
2(a+3)
2a+6
4x9
36
3x4
12
3x5
15
Interior angles…
Add up to 180’C
What way does the bottom vector go if it is negative?
Down
a+a+a+a
4a
What way does the top vector goes if negative?
Left
2a+10
2(a+5)
6x8
48
3x7
21
Angles in an equilateral triangle…
Are equal
6x6
36
6x4
24
Angles on a straight line…
Add up to 180’C
Angles in a quadrilateral…
Add up to 360’C
4x4
16
What is this called? (¾)
Vectors
____÷3 = 1739
1739 x 3
5217.
5t-4t+3t-6t
-2t
4x3
12
3x3
9
What is the outer line on a cirlce called?
Circumference
2y+y+7y
10y
p=4 and t=7. 2p+t
15
6x3
18
Which way does the bottom vector go if it is positive?
Up
3x9
27
7% of 3440?
7/100 x 3440 = 240.8
241.
4x5
20
r(5r+4)
5r2+4r
3x6
18
Corresponding angles…
Are equal
4x7
28
5x-y-2x-6y
3x-5y
What way does the top vector go if it is positive?
Right
8s+t-3s+2t
5s+3t
List some pime numbers
2, 3, 5, 7, 11, 13, 17…
Square numbers
1, 4, 9, 16, 25, 36, 49, 64, 81, 100…
0.25 =
1/4
0.50 =
1/5
0.75 =
3/4