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Home > CC4 > Chapter 3 > Lesson 3.1.2 > Problem 3-20

3-20.

JamJamila with pen and paper ila wants to play a game called “Guess My Line”. She gives you the following hints: 3-20 HW eTool (Desmos) Homework Help ✎.
“Two points on my line are (1, 1) and (2, 4).”

  1. What is the slope of her line? A graph of the line may help.

  2. What is the y‑intercept of her line?

    y-intercept = (0,−2)

  3. What is the equation of her line?

    Use the rate of growth and the y-intercept to write an equation for the line. y = mx + b

Use the eTool below to complete the graph of the line and help solve each part.
Click the link at right for the full version of the eTool: Int1 3-20 HW eTool.