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Big Ideas Math: Modeling Real Life, Grade 8

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Big Ideas Math: Modeling Real Life, Grade 8 View details

Practice Test

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Exercise 1 Page 192

What do m and b represent in the slope-intercept form?

Slope: 6
y-intercept: - 5

Equations in slope-intercept form follow a specific format, where m represents the slope of the line and b is the y-intercept. y= mx+ b

Let's rewrite our equation a little bit so that it more closely resembles this format. This will make it easier to identify the features of the equation. y=6x-5 ⇔ y=6x+(- 5) The given equation is now in the slope-intercept form. Below we have highlighted the slope m and y-intercept b. y= 6x+ (- 5) We can see that the slope is 6 and the y-intercept is - 5.

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