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Test your understanding with targeted questions related to the topic.
Question 1
Easy
Solve using substitution: x + y = 7; 2x - y = 4.
💡 Hint: Rearrange the first equation for y.
Question 2
Easy
Solve using elimination: 2x + 4y = 10; x - 2y = 1.
💡 Hint: Align coefficients to eliminate a variable.
Practice 4 more questions and get performance evaluation
Engage in quick quizzes to reinforce what you've learned and check your comprehension.
Question 1
What is the first step in the substitution method?
💡 Hint: Think about what we do to replace a variable in an equation.
Question 2
True or False: The elimination method involves nullifying a variable.
💡 Hint: Consider what happens when we combine the equations strategically.
Solve 2 more questions and get performance evaluation
Push your limits with challenges.
Question 1
Calculate the price of each item sold at a flea market: If a vendor sells hats for $15 and shirts for $20. If 4 hats and 3 shirts cost $90, and 2 hats and 5 shirts cost $110, find the prices.
💡 Hint: Form equations based on costs and quantities.
Question 2
A farmer has chickens and cows. If he has a total of 20 animals and he counts 56 legs, how many of each animal does he have?
💡 Hint: Let c be chickens and h be cows; formulate based on animals and legs.
Challenge and get performance evaluation