Algebra 1 Unit 1 Review

Are these "Like-terms" ?

5x and 5y

Are these "Like-terms" ?

3x and -1542x

Are these "Like-terms" ?
 $3x^2y$  and  $7xy^2$  

Select all "Like-Terms" for the term  $5h$  

Which is the correct way to combine the like terms?

 $-3x+5x$  

 $3b-b$  

Simplify by combining like terms

(a)  

 $-6w+w$  

Simplify by combining like terms

(a)  

Evaluate the expression $2a+3b$  when  $a=4$   and  $b=2$  

(a)  

Evaluate the expression $3x-\sqrt{y}+9$  when  $x=5$   and  $y=16$  

(a)  

Evaluate the expression $k^2-2$  when  $k=-5$ 

(a)