HW 6-1 Ratios and Proportions

HW 6-1 Ratios and Proportions

Assessment

Flashcard

Mathematics

12th Grade

Hard

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16 questions

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1.

FLASHCARD QUESTION

Front

What is the formula for the perimeter of a rectangle?

Back

Perimeter = 2(length + width)

2.

FLASHCARD QUESTION

Front

If the ratio of length to width of a rectangle is 5:2, how can you express the length in terms of width?

Back

Length = (5/2) * Width

3.

FLASHCARD QUESTION

Front

What is the area of a rectangle?

Back

Area = length × width

4.

FLASHCARD QUESTION

Front

In a triangle with angles in the ratio 4:3:2, how do you find the measure of each angle?

Back

Let the angles be 4x, 3x, and 2x. Then, 4x + 3x + 2x = 180°; solve for x.

5.

FLASHCARD QUESTION

Front

What is a proportion?

Back

A proportion is an equation that states that two ratios are equal.

6.

FLASHCARD QUESTION

Front

What is a ratio?

Back

A ratio is a comparison of two quantities, expressed as a fraction or with a colon.

7.

FLASHCARD QUESTION

Front

How do you solve for x in a proportion?

Back

Cross-multiply and then solve for x.

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