S.3

그래프를 보고 직선의 식 쓰기

3분기 (2~4월)

그래프에서 y절편과 기울기를 읽어 y = mx + b 쓰기

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Daniel Math Academy · Grade 8 Math

Write an Equation from a Graph

Skill S.3 · Slope & linear equations · ★★☆ Medium · Quarter 3

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Score/ 4

Write an equation in slope-intercept form for each line.

Example
xy−6−6−4−4−2−2224466
Equation:

Think: The line crosses the y-axis at −1 and rises 2 for every 1 to the right, so m = 2 and b = −1.

  1. 1
    xy−6−6−4−4−2−2224466(0, −3)(−2, −4)
    Equation: 
  2. 2
    xy−6−6−4−4−2−2224466(0, 3)(−2, 0)
    Equation: 
  3. 3
    xy−6−6−4−4−2−2224466(0, −2)(3, −6)
    Equation: 
  4. 4
    xy−6−6−4−4−2−2224466(0, −3)(−4, −6)
    Equation: 
Daniel Math Academy · danielmath.comWorksheet #tpzcrtr · Page 1 / 2
Daniel Math Academy · Grade 8 Math

Answer Key

S.3 Write an Equation from a Graph · ★★☆ Medium

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Daniel Math Academy · danielmath.comWorksheet #tpzcrtr · Answer Key · Page 2 / 2