Download presentation

Presentation is loading. Please wait.

Published byJose Stephens Modified over 4 years ago

1
Words Into Symbols Objective: To translate word phrases into algebraic expressions and word sentences into equations by Gavin McGerald

2
**Expressions examples A number decreased by 3 A number increased by 7**

4 more than the square of a number The difference of twice a number and 5 Twice the sum of a number and 5 X – 3 n + 7 b2 + 4 2n – 5 2(x + 5) by Gavin McGerald

3
In a word problem A train leaves town A going east at 70m mph toward town B, another train from town A left an hour later at 60 mph going west. What is the distance between the two trains after x hours? D = rt 60(x-1) 70x 60(x-1) + 70x = 60x – x = 130x - 60 TownA by Gavin McGerald

4
Consecutive Numbers The sum of 4 consecutive odd integers is 64 find each integer First number is x, next number must be x + 2 the third x + 4 and so on. x + (x + 2) + (x + 4) + (x + 6) = 64 4x + 12 = 64 4x = 52 x = 13 13, 15, 17, 19 by Gavin McGerald

Similar presentations

OK

(For help, go to Lesson 1-1.) ALGEBRA 1 LESSON 2-5 Write a variable expression for each situation. 1.value in cents of q quarters 2.twice the length 3.number.

(For help, go to Lesson 1-1.) ALGEBRA 1 LESSON 2-5 Write a variable expression for each situation. 1.value in cents of q quarters 2.twice the length 3.number.

© 2018 SlidePlayer.com Inc.

All rights reserved.

To make this website work, we log user data and share it with processors. To use this website, you must agree to our Privacy Policy, including cookie policy.

Ads by Google