3-1 to 3-4

3-1 to 3-4

Assessment

Flashcard

Mathematics

8th - 10th Grade

Hard

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15 questions

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1.

FLASHCARD QUESTION

Front

What type of line has an undefined slope?

Back

A vertical line has an undefined slope.

2.

FLASHCARD QUESTION

Front

What is the slope of a horizontal line?

Back

The slope of a horizontal line is 0.

3.

FLASHCARD QUESTION

Front

What is the general form of the equation of a line with slope m and y-intercept b?

Back

The equation is y = mx + b.

4.

FLASHCARD QUESTION

Front

How do you find the slope between two points (x1, y1) and (x2, y2)?

Back

The slope (m) is calculated as m = (y2 - y1) / (x2 - x1).

5.

FLASHCARD QUESTION

Front

What does it mean for two quantities to be directly proportional?

Back

Two quantities are directly proportional if they increase or decrease at the same rate, represented by the equation y = kx, where k is a constant.

6.

FLASHCARD QUESTION

Front

If Shawn earns $123 for 20 hours of work, how do you find his hourly wage?

Back

Divide the total pay by the number of hours: $123 / 20 hours = $6.15 per hour.

7.

FLASHCARD QUESTION

Front

What is the equation of variation for a directly proportional relationship?

Back

The equation of variation is y = kx, where k is the constant of proportionality.

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