Week 4: IM Graded Quiz: Slope- Intercept (May 11-May15)

What is the equation of the line ?

•  $y=2x\ +1$  

•  $y=-2x+1$  

•  $y=\frac{1}{2}x+1$  

•  $y=x-2$  

What is the equation of the line?

• $y=-3x-2$

• $y=3x-2$

• $y=-\frac{1}{3}x-2$

• $y=2x-3$

What is the equation of the line?

• $y=\frac{1}{4}x-1$

• $y=4x-1$

• $y=-\frac{1}{4}x-1$

• $y=x-4$

Which line represents the equation $\ y=\ -x$ ?

• a

• b

• c

• d

When an equation is in slope-intercept form (y=mx + b), "m" represents the ( )

• y-intercept

• Slope

When an equation is in slope-intercept form (y=mx + b), "b" represents the ( )

• y-intercept

• Slope

Does a line that appears to go uphill have a positive or negative slope?

• positive

• negative

Does a line that appears to go downhill have a positive or negative slope?

• positive

• negative