Writing Equations In Slope Intercept Form Worksheet With Answers Page 34

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Jacinta is correct. Both found the slope correctly. However, Tess switched the x- and y-coordinates on the point that
4-2 Writing Equations in Slope-Intercept Form
she entered in step 3.
Consider three points, (3, 7), ( 6, 1) and (9, p ), on the same line. Find the value of p and explain
your steps.
Find the slope of the line containing the first two points.
Use the slope and either of the first two points to solve for p. Let (x
, y
) be (9, p ) and (x
, y
) be ( 6, 1).
1
1
2
2
Consider the standard form of a linear equation, Ax + By = C.
Rewrite equation in slope-intercept form.
What is the slope?
What is the y-intercept?
Is this true for all real values of A, B, and C?
a.
Page 34
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