-3 + - 8
-5
Factors of 25
1, 5, 25
Define a prime number
A number that only has 2 factors, 1 and itself
-2, -10, -18, -26, ....
What's the term-to-term rule?
subtract 8
x --> {x3}-->{-4}--> y
When the input is 1, what is the output?
-1
-6 - - 6
0
First 5 multiples of 7
7, 14, 21, 28, 35
Which is a prime number?
1, 27, 65, 91, 103, 121
103
12, 16, 20, 24, 28, ...
Find the position to term rule
4 x position number + 8
10 -->{ ? }--> 5
14 -->{ ? }--> 7
-6 -->{ ? }--> -3
Divide by 2
a / -2 = -6
What is a?
12
LCM of 15 and 6
30
2x32x5
3n -1
What's the 40th term?
119
x --> {x5}-->{+2}--> y
Write the equation for the output in terms of xy = 5x + 2
- 6 x 2 + 24+ (1+2)2
13
The HCF of two numbers is 8. One of the numbers is between 20 and 30. The other number is between 42 and 60. What are the two numbers?
24 and 56
HCF of 73 and 83
1
5, 7, 9, 11, ...
Whats the nth term of the sequence?
2n + 3
V = ((a+b)/2)h
a=5, b=7, h=4
What is V?
24
-(-1)125
1
Find the LCM of 90 and 140
1260
Find the smallest number with 3 prime factors
30
What is the name of this sequence?
1,1,2,3,5,8,13,21,....
Fibonacci sequence
I'm thinking of a number, n. Write an expression when I subtract 5, then multiply the result by 2.
2(n-5)