8th Grade Warm Up

What is the letter that represents slope?

• y

• b

• m

• x

What is the equation of a line with a slope of 4 and a y-intercept of 2?

• y = -4x + 2

• y = -2x + 4

• y = 4x + 2

• y = 2x + 4

Which ordered pair represents the Y-Intercept?

y = -2/3x + 2

• (0,2)

• (2,0)

• (0,-2)

• (0, -2/3)

Find the equation of the line in slope-intercept form. 

• y = - 1/4x - 3
• y = 1/3x + 3
• y = - 1/4x + 2
• y = 1/3x -3

What is the slope in the picture?

• Positive
• Negative
• Zero
• Undefined