Modeling Linear Relationships

In the slope-intercept equation y=mx+b, what does "b" stand for?

• slope
• y-intercept
• how much it goes up by
• the first number

In the equation y=3x+5, what is the slope?

• 3
• 5
• x
• y

Given the following table, what is the equation?

• y=0x+10
• y=5x+10
• y=0x+0
• y=2x+0

How do you find a slope on a graph?

• count
• rise divided by run
• run divided by rise
• look at how many spaces it is

In the slope-intercept equation, y=8x+7, if x=3 what is the corresponding y value?

• 29
• 10
• 31
• 83

If a line has a slope of 7 and passes through the point (4,40), what is the equation?

• y = 4x + 40
• y = 7x + 40
• y = 7x + 12
• y = 7x + 19

If a line has a slope of 2 and passes through the point (0,9), what is the equation?

• y = 9x + 2
• y = 0 + 2x
• y = 2x + 9
• y = 0x + 2

Given the following table, write the equation.

• y = 9x + 3
• y = 3x + 12
• y = 3x + 9
• y = 1x + 12

Is this graph proportional?

• Yes
• No

What type of relationship has a CONSTANT RATE of CHANGE between two variables?

• Linear
• Exponential
• Inverse Variation
• Quadratic