Linear Equations

What letter represents the slope in the equation y = mx + b ?

• x
• y
• m
• b

In the following equation, what is the y-intercept?  
y = -3x + 7

• -3
• 7
• -3/7
• 3

The point where the line crosses the y-axis is called the:

• origin
• x-intercept
• y-intercept
• slope

What is the y intercept?
y = 2x - 3

• 3
• -3
• 1
• 2

Which equation represents the following graph?

• y = 3x + 2
• y = -2x + 3
• y = 2x + 3
• y = -3x + 2

Which equation best represents the line on the graph?

• y= 1/2x
• y= -1/2x
• y = 2x
• y = -2x

#1 Which graph is correct for y = -x + 3?

• A
• B

#2 Which graph is correct for y = 3x - 4?

• A
• B

#9 Which graph is correct for y = 4x?

• A
• B

What is the slope-intercept form of a line?

• Ax + By = C

• y = mx + b

• y - y1 = m(x - x1)

• y = Ax + By