Linear Relationships

Identifying Slope and Y-Intercept

7.7A ​represent linear relationships using verbal descriptions, tables, graphs, and equations that simplify to the form y = mx + b

Learning Objectives

By the end of this lesson you should be able to...

Identify the slope and y-intercept from a linear equation, y=mx+b

Identify slope and y- intercept

Multiple Choice

What is the independent variable?

• Hours worked

• Money Earned

Multiple Choice

What is the dependent variable?

• Hours worked

• Money Earned

Multiple Choice

What is the independent variable?

• Exam Score (points)

• Study time (hours)

Multiple Choice

What is the dependent variable?

• Exam Score (points)

• Study time (hours)

Fill in your vocabulary!!

Multiple Choice

What part of the slope intercept for is the slope?

• b

• m

Multiple Choice

What part of the slope intercept for is the y-intercept?

• b

• m

​1. Given a linear equation you need to be able to identify te slope and y-intercept.

​Slope = 2

Y- Intercept = (0, 1)

m = 4

b= (0, -5)

**If the equation is subtracting y then the y-intercept is negative.

Examples

You Try!

Multiple Choice

What is the slope ?

• m = 10

• b = (0,10)

• m=3

• b= (0,3)

Multiple Choice

What is the y-intercept?

• m = 10

• b = (0,10)

• m=3

• b= (0,3)

Multiple Choice

What is the y-intercept?

• m = 0

• b = (0, $$-\frac{2}{3}$$ )

• m= $$-\frac{2}{3}$$

• b= (0,0)

Multiple Choice

What is the slope?

• m = $$\frac{2}{3}$$

• b = (0, $$-\frac{2}{3}$$ )

• m= $$-\frac{2}{3}$$

• b= (0,0)