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y = mx + b   OR   y = kx

y = mx + b OR y = kx

Assessment

Flashcard

Mathematics

7th - 8th Grade

Practice Problem

Hard

Created by

Wayground Content

FREE Resource

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15 questions

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1.

FLASHCARD QUESTION

Front

What does the equation y = mx + b represent?

Back

It represents the equation of a straight line in slope-intercept form, where m is the slope and b is the y-intercept.

2.

FLASHCARD QUESTION

Front

What is the slope (m) in the equation y = mx + b?

Back

The slope (m) indicates the steepness of the line and the direction it goes. A positive slope means the line rises, while a negative slope means it falls.

3.

FLASHCARD QUESTION

Front

What is the y-intercept (b) in the equation y = mx + b?

Back

The y-intercept (b) is the point where the line crosses the y-axis, indicating the value of y when x is 0.

4.

FLASHCARD QUESTION

Front

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

Back

The slope (m) is calculated using the formula m = (y2 - y1) / (x2 - x1).

5.

FLASHCARD QUESTION

Front

What does the equation y = kx represent?

Back

It represents a direct variation, where k is the constant of variation, indicating that y varies directly with x.

6.

FLASHCARD QUESTION

Front

If k = 3 in the equation y = kx, what is the value of y when x = 4?

Back

y = 3 * 4 = 12.

7.

FLASHCARD QUESTION

Front

What is the difference between y = mx + b and y = kx?

Back

y = mx + b includes a y-intercept (b), while y = kx passes through the origin (0,0) and has no y-intercept.

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