Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. If you continue browsing the site, you agree to the use of cookies on this website. See our User Agreement and Privacy Policy.

Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. If you continue browsing the site, you agree to the use of cookies on this website. See our Privacy Policy and User Agreement for details.

Successfully reported this slideshow.

Like this presentation? Why not share!

13,152 views

Published on

No Downloads

Total views

13,152

On SlideShare

0

From Embeds

0

Number of Embeds

51

Shares

0

Downloads

72

Comments

1

Likes

1

No embeds

No notes for slide

- 1. Slope Intercept Form 5.4
- 2. X Intercept <ul><li>Where the line crosses the x axis </li></ul><ul><li>Where the line crosses the y axis </li></ul>Y Intercept
- 3. Find the x and y intercepts. Then graph the functions below. <ul><li>1. x + y = -2 </li></ul>X -intercept - 0 for y X + 0 = -2 X = -2 (-2, 0) 0 + y = -2 X + y = -2 Y-intercept - 0 for x Y = -2 (0, -2)
- 4. Find the x and y intercepts. Then graph the functions below. <ul><li>(-2, 0) and (0, -2) </li></ul>x y
- 5. Find the x and y intercepts. Then graph the functions below. <ul><li>3. 4x + 5y = 20 </li></ul>X -intercept 4x + 5(0) = 20 4x + 0 = 20 4x = 20 4(0) + 5y = 20 4x + 5y = 20 Y-intercept 0 + 5y = 20 5y = 20 ÷4_ ÷4 x = 5 (5, 0) ÷5 ÷5 y = 4 (0, 4)
- 6. Find the x and y intercepts. Then graph the functions below. <ul><li>3. </li></ul><ul><li>(5, 0) and (0, 4) </li></ul>x y
- 7. Vocabulary <ul><li>Slope Intercept Form – An equation in the form y = mx + b </li></ul>
- 8. Slope Intercept Form - Example
- 9. 4. Write an equation of the line given two points. m = rise run (0, 4) (5, 3) = -1 5 1. Calculate Slope 2. Write Equation Y = mx + b Y = -1 x + 4 5 y x
- 10. 5. Write an equation of the line given two points. m = rise run (0, 4) (4, -2) = -6 4 1. Calculate Slope 2. Write Equation Y = mx + b Y = -3 x + 4 2 = -3 2 y x
- 11. Write an equation of a line given the following slope and point. <ul><li>7. Slope is -4; Point is (-1, 3) </li></ul><ul><li>Step 1: Identify Slope & Pts </li></ul>m = -4 X = -1 Y = mx + b Step 2: Find y-intercept y = 3 = -4(-1) + b 3 = 4 + b 3 -4 -4 -1 = b Step 3: Write Equation Y = mx + b Y = -4x + -1
- 12. Write an equation of a line given the following slope and point. <ul><li>9. Slope is 1/2; Point is (4, 3) </li></ul><ul><li>Step 1: Identify Slope & Pts </li></ul>m = 1/2 X = 4 Y = mx + b Step 2: Find y-intercept y = 3 = 1/2(4) + b 3 = 2 + b 3 -2 -2 1 = b Step 3: Write Equation Y = mx + b Y = 1/2x + 1
- 13. Write an equation of a line that passes through the following points. <ul><li>10. (-2, 5) and (2, -1) </li></ul><ul><li>Step 1: Identify Slope & Pts </li></ul>slope = rise = y 2 – y 1 = run x 2 – x 1 -1 - 5 = 2 - (-2) x 1 , y 1 x 2 , y 2 -6 = 4 -3 2
- 14. Write an equation of a line that passes through the following points. <ul><li>10. (-2, 5) and (2, -1) </li></ul>Y = mx + b Step 2: Find y-intercept 5 = -3/2(-2) + b 5 = 3 + b -3 -3 2 = b Step 3: Write Equation Y = mx + b Y = -3/2x + 2
- 15. Write an equation of a line that passes through the following points. <ul><li>11. (1, -2) and (-5,4) </li></ul><ul><li>Step 1: Identify Slope & Pts </li></ul>slope = rise = y 2 – y 1 = run x 2 – x 1 4 - (-2) = -5 - 1 x 1 , y 1 x 2 , y 2 6 = -6 -1
- 16. Write an equation of a line that passes through the following points. <ul><li>11. (1, -2) and (-5,4) </li></ul>Y = mx + b Step 2: Find y-intercept -2 = -1(1) + b -2 = -1 + b +1 +1 -1 = b Step 3: Write Equation Y = mx + b Y = -1x + -1

No public clipboards found for this slide

×
### Save the most important slides with Clipping

Clipping is a handy way to collect and organize the most important slides from a presentation. You can keep your great finds in clipboards organized around topics.

http://www.worldbiznews.net

http://www.worldbiznews.net/category/financial-news/

http://www.worldbiznews.net/category/loans/