Lesson: Evaluating Simple Algebraic Expressions

Evaluate , given that .

Evaluate if .

Evaluate when .

Evaluate if .

Evaluate , given that .

The equation shows the number of cakes Tyler baked in relation to the number of hours he spent baking them. The variable represents the number of hours spent baking the cakes, and the variable represents the number of cakes baked. How many cakes did Tyler make if he spent 7 hours baking?

The equation shows the total number of flowers Tiffany has in relation to the number of vases she owns. The variable represents the number of vases she has, and the variable represents the total number of flowers. If Tiffany has 5 vases, how many flowers does she have?

Starting from his school, Roger cycled 10 miles, stopped at his friend’s house, and later continued cycling in the same direction as before. The equation shows the relationship between the number of miles he cycled after leaving his friend’s house and the distance he was from his school. If he ended up 32 miles from his school, how far is he from his friends house?

One measure of distance is rate multiplied by time, . Find the distance Sharon travels if she is moving at a rate of 60 mph for 6.75 h.

Use the formula to determine the height, , of a triangle given that its area, , is 4.5 and its base, , is 2.