4.2cd Warmup

4.2cd Warmup

Review on older stuff.

Find the y-intercept

Where does it hit the y-axis

up is positive

down is negative

Multiple Choice

What is the y-intercept?

• 1

• 0

• -1

• 4

Multiple Choice

What is the y-intercept?

• 3

• 0

• -3

• 4

Find the slope

Remember start at circled point.

Up or down first.

Up is positive and down is negative.

Then to the right.

Multiple Choice

What is the slope?

• 1/4

• -1/4

• 4/1

• -4/1

Multiple Choice

What is the slope?

• 6/3

• -6/3

• 3/6

• -3/6

Slope intercept form

y=mx+b

Multiple Choice

What is the slope intercept form is the slope is -1/4 and y-intercept is 1

• y=1/4x +1

• y= -1/4x-1

• y=1/4x-1

• y=-1/4x+1

Multiple Choice

What is the slope intercept form if the slope is 2 and y-intercept is -3

• y=2x+3

• y=2x-3

• y=-2x+3

• y=-2x-3

Practice multiple choice graphing.

1. check y-intercept first

2. positive or negative slope

3. count the slope

Multiple Choice

Which is the correct graph of the line?

• A

• B

• C

• D

Multiple Choice

Which is the correct graph of the line?

• A

• B

• C

• D

Bonus Questions. Going Backwards

1. Find y-intercept

2. Find slope

3. Put into slope-intercept form

Multiple Choice

What is the equation of the graph?

• A

• B

• C

• D

Multiple Choice

What is the equation of the graph?

• A

• B

• C

• D