Reviewing Equations

This lecture series explains the difference between an equation and an algebraic expression. It also defines what it means to solve an equation. Watch the videos and complete the interactive exercises.

Testing solutions to equations - Questions

1. Select all the equations where y = 10 is a solution.

Choose 2 answers:

A. y+11=22

B. 8=18−y

C. 60=6y

D. \frac{y}{5}=4

E. 10y=20


2. Which value of f makes 3f+5=32 a true statement?

Choose 1 answer:

A. f = 6

B. f = 8

C. f = 9

D. f = 12


3. Select all the equations where m = 4 is a solution.

Choose 3 answers:

A. 13=9+m

B. 7−m=3

C. 15=11m

D. 5=m+2

E. 20÷m=5


4. Which value of h makes \frac{8+h}{10}=1 a true statement?

Choose 1 answer:

A. h = 1

B. h = 2

C. h = 3

D. h = 4


5. Select all the equations where b = 11 is a solution.

Choose 2 answers:

A. 2b=211

B. b+18=7

C. 77=7b

D. 9=b−2

E. 11=33÷b


6. Which value of g makes 26=7(g-9)+12 a true statement?

Choose 1 answer:

A. g = 11

B. g = 12

C. g = 13

D. g = 14


7. Select all the equations where c = 9 is a solution.

Choose 2 answers:

A. 4-c=5

B. 20=14+c

C. 15=c-6

D. \frac{c}{3}= 3

E. 36=4c