6-6 Graph Linear Equations (M7A)

Reorder

Reorder the following

• Find slope & y-intercept

• Graph y-intercept

  (0, b)

• Use slope to find

  2nd point

• Draw the line through the points

1

2

3

4

• 1
• 2
• 3
• 4

Draw

Graph $$y=-\frac{2}{3}x+4$$

Open Ended

Talk About It!

To locate the second point, why was the slope rewritten as $$\frac{-2}{3}$$ ?

Draw

Check: Graph y = -4x + 5

Draw

Graph y = 4x + 6

Multiple Choice

Think About It!

When a line is written in the form y = b, the line has a ______ slope.

• zero

• undefined

• 1

• -1

Open Ended

Write About It!

Does the line have a y-intercept? Explain.

Draw

Check: Graph y = -6

Multiple Choice

When the equation of a line is written in the form of y = b, the slope of the line is __________.

• zero

• undefined

• 1

• -1

Multiple Choice

The equation for a horizontal line is _________.

• x = a

• y = b

• y = x

• y = -x

Multiple Choice

The equation for a vertical line is _________.

• x = a

• y = b

• y = x

• y = -x

Multiple Choice

Think About It!

When the equation of a line is written in the form of x = a, the slope of the line is __________.

• zero

• undefined

• 1

• -1

Multiple Choice

Think About It!

When the equation of a line is written in the form of x = a, does the line have a y-intercept?

• yes

• no

Open Ended

Think About It!

Explain why the graph of the equation in the form of x = a, does not have a y-intercept.

Draw

Check: Graph x = 7