3rd 6 Weeks Assessment

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Back

62.50%

Front

What does the equation x + 30 = 75 represent in a real-world context?

Back

It represents a situation where a total amount is known, and a part of it is given, allowing us to find the unknown part.

Front

What is an equivalent expression?

Back

An expression that has the same value as another expression for all values of the variable.

Front

How do you determine if two expressions are equal when given a value for the variable?

Back

Substitute the value of the variable into both expressions and check if the results are the same.

Front

If a shop owner offers a 25% discount and the discount amount is $5, how do you find the regular price?

Back

Use the formula: Regular Price = Discount Amount / Discount Rate. Here, Regular Price = $5 / 0.25 = $20.

Front

What is the first step in solving the equation x + 30 = 75?

Back

Subtract 30 from both sides to isolate x.

Front

What is the meaning of the term 'equivalent expressions' in mathematics?

Back

Expressions that yield the same result when evaluated.

Front

How do you convert a fraction to a percentage?

Back

Multiply the fraction by 100 and add the percent sign.

Front

What is the solution to the equation x + 30 = 75?

Back

x = 45.

Front

What does it mean if two models represent equal expressions?

Back

It means that both models will yield the same value for any given input.