This website has practice worksheets for integers: Math Drills The first page has the problems, page two has the answers.
Here are a few specific topics: 1. Adding Integers 2. Subtracting Integers 3. Multiplying Integers 4. Dividing Integers There are MULTIPLE worksheets on Math Drills.com. USE IT!!!! I had a question about #6 on the homework, so here it goes!
x=y-8 -x-y=0 1. Look for a variable that is isolated. In this problem we see x=, so we will use that equation. Put a box around y-8, that is the expression we will be substituting in for x. 2. Substitute y8 in for x in the second equation. NOTE: There is a negative in front of x, so we need to put parenthesis: -(y-8)-y=0. 3. Solve for y. Make sure you use the distributive property! -y+8-y=0 -> -2y +8 = 0 -> -2y=-8 -> y=-4 4. Now that we know y=-4, plug your answer into x = y+8. x= -4 + 8, so x=4! 5. Final answer? (4, -4)! Compare the rates of change for the two functions represented below. For Function 1, any y-value can be found using the rule: multiply by -2 and then add 3. The graph below represents Function 2. |
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