AI Topic 1 Review

Front

Write the expression as a single power: x^2 * x^2 * x^2

Back

x^4

Front

What is 98.907 rounded to 1 significant figure?

Back

100

Front

Solve for x: 3x - 2 = 6

Back

x = 8/3

Front

Given: U_n = -30 + 3(n-1), is 81 a member of this sequence?

Back

Yes, U_38=81

Front

Find k if: 4, 2k, 16 are consecutive terms of a geometric sequence.

Back

k = ±4

Front

What is the formula for the nth term of an arithmetic sequence?

Back

U_n = U_1 + (n-1)d

Front

Define a geometric sequence.

Back

A sequence where each term after the first is found by multiplying the previous term by a fixed, non-zero number called the common ratio.

Front

What is the common ratio in the geometric sequence 2, 6, 18, 54?

Back

3

Front

How do you find the sum of the first n terms of an arithmetic sequence?

Back

S_n = n/2 * (U_1 + U_n)

Front

What is the definition of significant figures?

Back

Digits in a number that contribute to its precision.