1.1 Review Worksheet, Part 2
1.1.4 Simplifying Algebraic Expressions Write an algebraic expression to represent each situation. 1. the measure of the supplement of an angle whose measure is x °
2. the number of $0.60 bagels that can be purchased with d dollars
Evaluate each expression for the given values of the variables. 3. 6 c − 3 c 2 + d 3 for c = 5 and d = 3
4. y 2 − 2 xy 2 − x for x = 2 and y = 3
2
5. 3 a 2 b − ab 3 + 5 for a = 5 and b = 2
− s t st 2
2
6.
s
= 5and 3 t
for
=
Simplify each expression. 7. − x − 3 y + 4 x − 9 y + 2
8. − 4( − a + 3 b ) − 3( a − 5 b )
9. 5 − (3 m + 2 n )
10. x (4 + y ) − 2 x ( y + 7)
11. Enrique is baking muffins and bread. He wants to bake a total of 10 batches. Each batch of muffins bakes for 30 minutes, and each batch of bread bakes for 50 minutes. Let m represent the number of batches of muffins. a. Write an expression for the total time required to bake a combination of muffins and bread if each batch is baked separately.
b. If Enrique makes 2 batches of muffins, how long will it take to bake all 10 batches?
39
Made with FlippingBook flipbook maker