8th Review B - Equations (2023-24)

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-11

Front

Write an equation for Bobby's carpet buying situation where Store A charges $15 per square foot and $50 for delivery, and Store B charges $10 per square foot and $100 for delivery.

Back

15x + 50 = 10x + 100

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2

Front

How many yards of carpet will make the cost the same for Store A and Store B?

Back

10 yards

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What does it mean if an equation has 'no solution'?

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It means that there are no values for the variable that can satisfy the equation.

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Distribute both sides of the equation.

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What is the definition of a linear equation?

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Front

What is the formula to find the slope of a line given two points (x1, y1) and (x2, y2)?

Back

Front

What does it mean for two equations to be equivalent?

Back

They have the same solution set.

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How do you isolate a variable in an equation?

Back

Perform inverse operations to both sides of the equation until the variable is alone.