Download presentation

Presentation is loading. Please wait.

Published byAlaina Shaw Modified over 9 years ago

1
5-4 SLOPE-INTERCEPT FORM MISS BATTAGLIA – ALGEBRA 1 CP OBJECTIVE: USE THE SLOPE AND Y-INTERCEPT TO DRAW GRAPHS AND WRITE EQUATIONS.

2
WARM UP Christina earns an annual salary of $135,000 as a computer chip designer. If she usually works 40 hours per week for 50 weeks per year, how much does Christina earn per hour? Per minute?

3
WORK WITH A PARTNER…

4
Graph these equations on the same screen. Where does each line cross the y-axis?

5
THINK & DISCUSS The point where a line crosses the y-axis is the y-intercept. a)What is the y-intercept of each line? b) Generalize: What is the connection between a line’s equation and its y-intercept?

6
THINK & DISCUSS a)What is the slope of each line? b)Generalize: What is the connection between a line’s equation and its slope?

7
SLOPE INTERCEPT FORM OF A LINEAR EQUATION

8
GRAPH THE EQUATION y = 3x - 1

9
JOBS The base pay of a water delivery person is $210 per week. He can also earn 20% commission on any sales he makes. The equation t = 210 + 0.2s relates total earnings t to sales s. Rewrite the equation in slope- intercept form. Then graph the equation.

10
EXAMPLE Write an equation for the line.

11
HOMEWORK Pg 232 – 234 # 1 – 3, 11, 12 – 14, 22, 27, 28

Similar presentations

© 2024 SlidePlayer.com Inc.

All rights reserved.

To make this website work, we log user data and share it with processors. To use this website, you must agree to our Privacy Policy, including cookie policy.

Ads by Google