Download presentation

Presentation is loading. Please wait.

Published byMisael Dawe Modified over 3 years ago

1
H OMEWORK Q UESTIONS

2
H OMEWORK C HECK Homework Check!

3
E VALUATING E XPRESSIONS Lesson 1.3

4
L EARNING T ARGETS 1. To evaluate variable expressions 2. To solve problems by evaluating expressions

5
E VALUATE To evaluate a variable expression, you first replace each variable with a number. Then, you use the order of operations to simplify.evaluate

6
E XAMPLE Evaluate 4 y 15 for y = 9.

7
N OTE P AGE E XAMPLE Evaluate 18 + 2g for g = 3

8
P RACTICE (note page quick check #1) Evaluate 63 – 5 x, for x = 7 Evaluate 4( t + 3) + 1, for t = 8

9
E XAMPLE – N OTE P AGE Sometimes expressions have more than one variable.

10
P RACTICE – Q UICK C HECK

11
E XAMPLE Energy drinks come in cases of 24 bottles. Write a variable expression for the number of cases a store should order to get b bottles of energy drinks. Evaluate the expression for 120 bottles.

12
P RACTICE The store in Example 3 pays $29 for each case of energy drinks. Which choice shows a variable expression for the cost of c cases and shows the cost of five cases?

13
E XAMPLE The Omlete Café buys cartons of 35 eggs. a) Write a variable expression for the nymber of cartons the café should buy for x eggs. b) Evaluate the expression for 180 eggs.

14
P RACTICE The One Pizza resteraunt makes only one kind of pizza, which cost $16. The delivery charge is $2. Write a variable expression for the cost of having pizzas delivered. Evaluate the expression to find the cost of having five pizzas delivered. Table Expression

15
Q UICK C HECK The Omelet Café pays $21 for each case of bottled water. Write a variable expression for the cost of c cases. Evaluate the expression to find the cost of 5 cases.

16
I N C LASS P RACTICE Light-year Handout

17
H OMEWORK Pg. 16 & 17 (7-26, 29, 30, 31)

Similar presentations

Presentation is loading. Please wait....

OK

Essential Cell Biology

Essential Cell Biology

© 2017 SlidePlayer.com Inc.

All rights reserved.

Ads by Google

Ppt on refraction of light class 10 Ppt on ms access 2007 Ppt on companies act 2013 vs companies act 1956 Ppt on programmable logic array buy Convert free pdf to ppt online converter Moving message display ppt on tv Ppt on channels of distribution strategy Ppt on 2 stroke ic engine Ppt on unemployment in india Chemistry ppt on polymers