PLEASE ANSWER ASAP 50 POINTS!!!!!
1. What is the ‘d’ value for the following sequence: 23, 27, 31, 35
A 4
B 10
C -10
D -4
2. What is the rule for the following sequence: 8, 4, 2, 1…?
A an = a1 – 4(n – 1), a1 = 8
B an = a1 * (1/2)(n-1), a1 = 8
C an = a1 + 4(n – 1), a1 = 8
D an = a1 * 2(n-1), a1 = 8
3. What is the next term in the following sequence: 3, -15, 75, -375…?
A 3
B -1875
C -5
D 1875
4. What is the next term in the following sequence: -81, 27, -9, 3…?
A 1
B -1/3
C -1
D 3
5. If you have a arithmetic sequence and the ‘d’ value is negative, what is the effect?
A the numbers in the sequence get bigger
B the numbers in the sequence get smaller
C the numbers alternate from positive to negative
D the numbers don’t change