Section 11 Flashcards
1
Q
In a right-angled triangle with angle x :
How do we find Cos(x)?
A
Cos(x) =
Adjacent / Hypotenuse
2
Q
What shape is a quadratic graph?
A
U-shape
3
Q
In set notation:
What is meant by A’ ?
A
Not A
4
Q
Evaluate 10-2
A
1/100
5
Q
What decimal multiplier is used to decrease a value by 15% ?
A
0.85
6
Q
What is the value of Cos(0) ?
A
1
7
Q
In set notation:
What does A ꓵ B mean?
A
A and B
8
Q
What is the value of Sin(90) ?
A
1
9
Q
If y=kx and k is a constant,
What is the proportional relationship between x and y ?
A
y is directly proportional to x
10
Q
What do we call a quadrilateral with two equal angles that are opposite each other?
A
Kite
