Precalc0011to0016-page22 - • In this section we will...

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(Section 0.14: Lines) 0.14.1 SECTION 0.14: LINES LEARNING OBJECTIVES • Understand and compute the slope of a line. • Distinguish between equations of horizontal lines and those of vertical lines. • Know how to write equations of lines in various forms, including Point-Slope Form, Slope-Intercept Form, and Two-Intercept Form. • Understand parallel and perpendicular lines and relate their slopes. • Know how to find the intercepts of a line. PART A: DISCUSSION • We frequently graph lines in precalculus and calculus.
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Unformatted text preview: • In this section, we will graph lines in the xy-plane, though we can work with different variables. • There are many ways to write an equation for a line. The form we select may depend on the information we have about the line, or on the information we want to find or display . • In Section 1.11, we will discuss linear approximations of functions and graphs by tangent lines, a crucial idea in calculus ....
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