Basics of Algebra Review

Write an expression to represent the difference of a number n and 3.

Evaluate the expression

Write the equation: a number n increased by 7 is 12.

Two weeks ago the average temperature in Michigan was

−10°C

and last week the average temperature in Michigan was

−8°C

Interpret your answer to the last problem (-10<-8) in the context of this situation.

Graph the points (4, -2) and (4, 6). Tell the distance between the two points.

Use the distributive property to write an equivalent expression for 3(x+2)

Factor the expression 5x-15

You have to be at least 10 years old to ride the rollercoaster. Write an inequality that represents the age "a" of the people who can ride the rollercoaster.

The longer Kaden studies for his test, the higher he scores. Let t be the time Kaden studies. Let s be his score.

Which variable is dependent?