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Slope & Graphing Linear Equations

Slope & Graphing Linear Equations. Review questions for concept 1 & 2 quiz. 1. What is the slope of this line?. Click your mouse to see the answer. Answer: m = -2. 2. Determine the slope of the line formed by these 2 points. (-5, 3) and (8, 3) Click to see the answer. Answer: m = 0.

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Slope & Graphing Linear Equations

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  1. Slope & Graphing Linear Equations Review questions for concept 1 & 2 quiz

  2. 1. What is the slope of this line? Click your mouse to see the answer. Answer: m = -2

  3. 2. Determine the slope of the line formed by these 2 points. • (-5, 3) and (8, 3) • Click to see the answer. Answer: m = 0

  4. 3. Is the point (4, -2) a solution to the equation y = ½ x – 4? • Click to see the answer… Answer: Yes, because the point (4, -2) satisfies the equation. Therefore it falls on the line.

  5. 3. Determine the x and y-intercepts to graph 5x + 2y = 20. • Click to see the answer… Answer: x-intercept (4, 0) Y-intercept (0, 10)

  6. 4. What is the slope of the line parallel to 4x – 3y = 12? • Click to see answer Answer: m = 4/3. Parallel lines have the same slope.

  7. 5. What is the slope of the line perpendicular to y = 6? • Click to see answer. Answer: m = undefined. Y = 6 has a slope of 0. Therefore, the line perpendicular to it would be vertical with an undefined slope.

  8. 7. Draw a line parallel to y = 1/3x - 5 that has a y-intercept of 2 • Click to see answer. Answer: This means you must draw a line with a slope of 1/3 that passes through (0, 2).

  9. 8. Complete the tables of values needed to graph y = ¼ x -1. -2 -1 0 1 Remember there are an infinite amount of solutions. This table just shows 4 possible ordered pairs that fall on the line. Click to see the answer.

  10. 9. True or False? • The graph of y = 5 is a vertical line. Answer: False. It’s a horizontal line. It could also be written as y = 0x +5. This means the slope is zero.

  11. 10. True or False? • The graph 2x – 3y = 9 has a y-intercept of (9/2, 0). Answer: False. Watch the sneaky words. (9/2, 0) is the x-intercept.

  12. Name a point in quadrant IV. Answer: point b

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