Keystone Algebra: Module 1 Practice

Front

What is the speed of light in kilometers per second?

Back

The speed of light is approximately 300,000 km per second.

Front

How do you calculate the time it takes for light to travel a certain distance?

Back

Time (in seconds) = Distance (in km) / Speed of light (300,000 km/s).

Front

What is a compound inequality?

Back

Front

Back

It means that x is greater than a and less than b.

Front

Back

Front

Back

The solution is the interval [0, 3].

Front

Back

Substitute w with the number of weeks and calculate L.

Front

Back

After 10 weeks, the estimated length is 10.5 cm.

Front

Back

Front

What is the first step in simplifying an expression with exponents?

Back