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Pearson Algebra 1 Common Core, 2011

PA

Pearson Algebra 1 Common Core, 2011 View details

3. Slope-Intercept Form

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Exercise 63 Page 314

Substitute the given point and slope into the slope-intercept form of a line.

B

Practice makes perfect

Equations in slope-intercept form follow a certain format.

y= mx+ b In this form, m represents the slope of the line and b is the y-intercept. We know that the value of the slope is 5. We also know that the line passes through the point (0, - 2). Therefore, m= 5 and b= - 2. Let's substitute these values into the above formula. y= 5x+( - 2) ⇔ y=5x-2 The correct choice is B.

Subchapter links

Lesson Check p.311

Practice and Problem-Solving Exercises p.312-314

Standardized Test Prep p.314

Mixed Review p.314