1 / 13

3.1 Graphing Linear Equations

3.1 Graphing Linear Equations. STANDARD form:. Ex 1 : Determine whether the equation is linear. a) b). Graphing w/ Intercepts. x-intercept : The point where the line intersects the X-axis. (x, 0) To Find: Let y = 0 & Solve for x

romney
Télécharger la présentation

3.1 Graphing Linear Equations

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. 3.1 Graphing Linear Equations

  2. STANDARD form:

  3. Ex 1: Determine whether the equation is linear. a) b)

  4. Graphing w/ Intercepts • x-intercept: The point where the line intersects the X-axis. (x, 0) To Find: Let y = 0 & Solve for x • y-intercept: The point where the line intersects the Y-axis. (0, y) To Find: Let x = 0 & Solve for y

  5. Ex 2: Write in Standard Form then graph each equation using x & y intercepts. a) b)

  6. Using a Table of Values: • Solve equation for y • Make a Table (T-chart) • Choose 3 values for x (–1, 0, 1) • Plot points • Draw Line (w/ ARROWS!)

  7. Ex 3: Make a table of values to graph the line.

  8. Ex 4: The percent of teens who play online games can be modeled by the equation where p is percent and t is time in years since 2000. Make a table of values to graph the equation.

  9. HW – 3.1 pg. 157 # 13 – 19 odds,20, 23 – 33 odds, 35, 42, 49

  10. The SLOPE Formula:

  11. Horizontal Lines: • slope = m = 0 • y-intercept (0, b) • Vertical Lines: • slope = m is undefined • No y-intercept

  12. SLOPE-INTERCEPT form: SLOPE = Y-INTERCEPT (0, b)

  13. Find equation given a graph: • Steps: • Identify y-int (0, b) • Pick any 2 points & count rise/run = m • y = mx + b

More Related