Activity 2: Find the slope and y-intercept

ACTIVITY 2

Find the slope and

y-intercept

By Salvador Tolete

SLOPE

Some text here about the topic of discussion

It represents the rate of change ​in a linear function, or the "steepness" of a line.

​

​In the equation, the coefficient of x is the slope (m), and the constant is the y-intercept (b).

Some text here about the topic of discussion

​ y = mx + b

Multiple Choice

What is the y-intercept in the equation $$y=-2x+5$$  

• $$-2$$  

• $$3$$  

• $$5$$  

• Cannot be Determined

Multiple Choice

Determine the slope and y-intercept from the following equation:

$$y=\frac{3}{2}x+3$$  

• $$m=5,\ b=3$$  

• $$m=\frac{3}{2},\ b=3$$  

• $$m=4,\ b=\frac{3}{2}$$  

• $$m=\frac{1}{5},\ b=5$$  

Multiple Choice

Identify the slope of the Equation $$y=5x+3$$  

• $$5$$  

• $$3$$  

• $$5x$$  

• $$y$$  

Multiple Choice

What equation of a line has a slope of $$\frac{1}{5}$$   and y-intercept of $$-5$$  ?

• $$y=5x-\frac{1}{5}$$  

• $$y=-5x+\frac{1}{5}$$  

• $$y=\frac{1}{5}x+5$$  

• $$y=\frac{1}{5}x-5$$  

1. Find two points on the line

2. Starting at one point, count the rise and run going to the other point

Find the slope and y-intercept given the graph

Multiple Choice

Find the slope of the given graph.

• $$\frac{2}{3}$$  

• $$-\frac{2}{3}$$  

• $$\frac{3}{2}$$  

• $$-\frac{3}{2}$$  

Multiple Choice

Find the slope:

• $$\frac{3}{4}$$  

• $$\frac{4}{3}$$  

• $$-\frac{3}{4}$$  

• $$-\frac{4}{3}$$  

Multiple Choice

What is the equation of this line shown on the graph?

• $$y=2x+5$$  

• $$y=-2x+5$$  

• $$y=-2x$$  

• $$y=5$$  

Multiple Choice

Which is the graph of $$y=-x+2$$  ?

• A
• B
• C
• D

Find the slope and y-intercept given a table of values

1. The value across 0 x is the y-intercept.

2. Label x₁, x₂, y₁, and y₂

3. Use the formula

Multiple Choice

What is the slope of the table?

• $$-\frac{2}{5}$$  

• $$-\frac{5}{2}$$  

• $$\frac{5}{2}$$  

• $$\frac{2}{5}$$  

Multiple Choice

What is the y-intercept?

• $$3$$  

• $$-3$$  

• $$-1$$  

• $$12$$  

Multiple Choice

The slope of the line shown on the table is

• $$-\frac{3}{4}$$  

• $$\frac{3}{4}$$  

• $$-\frac{1}{3}$$  

• $$\frac{3}{10}$$  

Multiple Choice

The slope of the line shown on the table is

• $$\frac{2}{5}$$  

• $$-\frac{2}{5}$$  

• $$\frac{5}{2}$$  

• $$-\frac{5}{2}$$  

Multiple Choice

What equation of the line represents the table on the left?

• $$y=\frac{1}{4}x+3$$  

• $$y=4x+3$$  

• $$y=-\frac{1}{4}x-3$$  

• $$y=-4x-3$$