
Cross Multiply and Divide
Interactive Video
•
Social Studies, Mathematics
•
11th Grade - University
•
Practice Problem
•
Hard
Wayground Content
FREE Resource
5 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the first step in solving the equation 4/S = -2/9?
Add 9 to both sides
Cross-multiply the fractions
Subtract 4 from both sides
Multiply both sides by S
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
After cross-multiplying, what is the resulting equation?
9S = -4
S = -18
4S = -18
36 = -2S
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What operation is used to isolate S in the equation 36 = -2S?
Division
Addition
Multiplication
Subtraction
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the value of S after solving the equation?
-9
18
-18
9
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How can you verify the solution to the equation 4/S = -2/9?
By multiplying both sides by 9
By substituting S back into the original equation
By dividing both sides by 4
By adding 4 to both sides
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