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PRE-ALG CHPT 11 Test Review

PRE-ALG CHPT 11 Test Review. Can you…. Plot points to determine if the line is linear? EXPLAIN the slope formula(s) Find slope of 2 points Explain how (without graphing) you can tell if 2 lines are parallel or perpendicular Write the slope intercept formula

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PRE-ALG CHPT 11 Test Review

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  1. PRE-ALG CHPT 11Test Review

  2. Can you… • Plot points to determine if the line is linear? • EXPLAIN the slope formula(s) • Find slope of 2 points • Explain how (without graphing) you can tell if 2 lines are parallel or perpendicular • Write the slope intercept formula • Solve an equation and put it IN slope intercept formula (4y– 5x= –10 ) • Explain how to find the slope of a real world object (stairs, slide, ramp)

  3. 14 Lesson 11-1 Graph each equation and tell whether it is linear. 1.y = 3x – 1 2.y= x 3. y = x2 – 3 yes yes no

  4. 2 5 3 4 – – 5 3 Lesson Quiz: 11-2 Find the slope of the line passing through each pair of points. 1. (4, 3) and (–1, 1) 2. (–1, 5) and (4, 2) 3. Use the graph of the line to determine its slope.

  5. Lesson Quiz: 11-2 Part 2 Tell whether the lines passing through the given points are parallel or perpendicular. 4. line 1: (–2, 1), (2, –1); line 2: (0, 0), (–1, –2) 5. line 1: (–3, 1), (–2, 3); line 2: (2, 1), (0, –3) perpendicular parallel

  6. y = – x + 2 3 4 Lesson Quiz 11-3 Write each equation in slope-intercept form, and then find the slope and y-intercept. 1. 2y – 6x = –10 2. –5y – 15x = 30 Write the equation of the line that passes through each pair of points in slope-intercept form. 3. (0, 2) and (4, –1) 4. (–2, 2) and (4, –4) y = 3x – 5; m = 3; b = –5 y = –3x – 6; m = –3; b = –6 y = –x

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