Writing Equation of Straight Line

Writing the Equation of a Line

Warm Up: You will have 30 seconds to answer each question. Click the image to enlarge it.

Multiple Choice

What is the slope in the picture?

• Positive
• Negative
• Zero
• Undefined

Multiple Choice

What type of slope?

• undefined
• positive slope
• negative slope
• zero slope

Multiple Choice

What type of slope?

• negative
• steep
• undefined
• zero slope

Multiple Choice

Slope is know as rise over ...

• run
• fall
• none
• rise

Multiple Choice

Find the slope of the line.

• 1/2
• -1/2
• 2/1
• -2/1

Multiple Choice

find the slope

• -3
• 3
• 1/3
• all of the above

Now let's review finding slope from a table ....​

Multiple Choice

What is the slope?

• 1/2
• 2
• 7
• 3

Multiple Choice

What is the slope?

• 2
• 1/2
• 1
• 1.5

​

Multiple Choice

This was a review of ...

• Proportional Linear Graphs

• Non-Proportional Linear Graphs

• Curved Lines

Multiple Choice

Which slope is "steeper" : 1/2 or 3?

• 3

• 1/2

Multiple Choice

Which slope is "steeper" : -2 or -1?

• -1

• -2

Multiple Select

Check all that apply:

y = mx describes lines that are:

• proportional

• linear

• non proportional

• curved

Multiple Choice

What is the y-intercept of the graph shown?

• 2

• -3

• $$\frac{1}{2}$$

• 3

Multiple Choice

What is the y-intercept of the graph shown?

• -2

• 4

• 2

• -4

Multiple Choice

Given that y = 9x + 2, what is the slope?

• 2

• 9

• x

• 11

Multiple Choice

Given that y = 9x + 2, what is the y-ntercept?

• 2

• 9

• x

• 11

Multiple Choice

Which of the following could be the slope-intercept form of the graph?

• $$y\ =\ \frac{1}{2}x\ -\ 2$$

• $$y\ =\ -\frac{1}{2}x\ -\ 2$$

• $$y\ =\ \frac{1}{2}x\ +\ 2$$

• $$y\ =\ -\frac{1}{2}x\ +\ 2$$

Multiple Choice

Which of the following could be the slope-intercept equation of the graph?

• $$y\ =\ \frac{2}{3}x\ +\ 3$$

• $$y\ =\ -\frac{2}{3}x\ -\ 3$$

• $$y\ =\ \frac{2}{3}x\ -\ 3$$

• $$y\ =\ -\frac{2}{3}x\ +\ 3$$