Algebra 1B - Skill Test 01

• -12
• -36
• 12

Which of the following expressions is correctly written in scientific notation?

Answer explanation

• 9.8%
• 42.7%
• 17.7%
• 37.2%

Answer explanation

Substitute n, A and P to the formula then calculate the result.

The population in Smalltown in 2010 was 47,597 people and is growing exponentially at a rate of 1.8 percent. What is the number could predict the population of Smalltown in 2030? (Round to the nearest people)

• 1741966

• 68222

• 68004

• 89163

8.What is the rule for the following geometric sequence? 64, -128, 256, -512, ...

• Not enough information is given
• Neither; this is not exponential
• Exponential decay
• Exponential growth

You win a prize and are offered two choices. Which of the choices could be represented by a linear equation?

Choice A:

$0.10 on January 1,

$0.20 on January 2,

$0.40 on January 3,

$0.80 on January 4,

and so on, with the amount doubling each day.

Choice B:

$5.00 on the first day,

$10.00 on the second day,

$15.00 on the third day,

and so on, with $5.00 added each day.

• Neither is linear
• Not enough information is given
• Choice B
• Choice A