1. What type of method do we use?

2. Warm-Up 2
Solve each system using Elimination: 1. 2.

3. Use GRAPHING when:
both equations are in the form y=

4. Use SUBSTITUTION when:
both equations are x=
Both equations are y = and you do not have a calculator Or
one equation is either x= or y=

5. Use ELIMINATION when: both equations are in standard form Ax + By = C.
 Must have opposites (or create opposites by multiplication) in order to add the equations

6. Determine which method to use

7. Try a word problem!
At an ice cream parlor, ice cream cost $1.10 and sundaes cost $ One day, the receipts for a total of 172 cones and sundaes were $ How many cones were sold?

8. Complete worksheet!
HW: 7.11!