Linear Equations: Practice 11

In this Grade 8 lesson on Linear Equations, you will practice solving problems like: "For y = -3x - 2, find y when x = 5.". Work through each problem carefully, use the hints if you need help, and check your answers. This builds your understanding of linear equations step by step.

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For y = -3x - 2, find y when x = 5.

1Read the problem carefully: "For y = -3x - 2, find y when x = 5."

Problem 1 of 5

1

Problem 1

For y = -3x - 2, find y when x = 5.

Problem 2 of 5

2

Problem 2

For y = -4x + 10, find y when x = -1.

Problem 3 of 5

3

Problem 3

For y = 4x - 4, find y when x = 5.

Problem 4 of 5

4

Problem 4

What is the slope and y-intercept of y = 5x + 9?

Problem 5 of 5

5

Problem 5

What is the slope and y-intercept of y = 4x + 7?

Nice work!

You got 0 of 5 right.

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🌍 Where you'd use this: Anytime someone says 'figure out X if you know Y' — you're doing algebra.

🤯 Fun fact: 🤯 The letter 'x' is used for 'unknown' because of an Arabic word that French printers couldn't easily print.

🏆 Try this week: Find one real-life situation today that uses an unknown. Write the equation for it.

👨‍👩‍👧 At dinner: “If x equals your age, what's 2x + 5? What does that number mean?”

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Linear Equations: Practice 11

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Problem 5

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Linear Equations: Practice 11

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