Question 1
To expand (7r+5s)2 , you can use the pattern (a+b)2=a2+2ab+b2 .

What are the values of a and b?

d

step-by-step explanation:

exa:

)

3+11

14

step-by-step explanation:

from this example, we can see that subtracting with integers is the same as adding the opposite. we can solve using a number line or by using the saying "keep, change, change" to us solve. it is important to remember that we can subtract a negative and end up with a larger number than we started with.

f(x)=4

step-by-step explanation: