Algebra

Algebra1

 

8th Grade

Warm Up

• Q1. One number is for more than another.  If four times the smaller number is decreased by twice the larger number, the result is 12.  Find both numbers.

• Q2. 2|-4| + |-3|

• Q.3 Graph the given numbers on the number line:   2 ½, -3, -1.5, 0

• Q.4 |-x|=5

Properties of Real numbers 

Problem Solving

Finding unit price
Find the unit price  per liter  of low fat milk if $0.95 for 950 mL

Solution :   1L= 1000 mL this implies that  950mL= 0.95 L

So, 0.95 L = $0.95

1 L = 0.95/0.95 = $ 1.00  

which implies that unit price is $1.00 per liter

Your Turn: Pg 74 Q. 1,3