PA: 3A/3B Review

The graph of a linear function is always straight?

• true
• false

What does "m" represent in y=mx+b?

• y-intercept
• slope
• macaroni
• nothing

What is the slope of the line represented by the equation y = 7 - x?

• 7
• 0
• 1
• -1

What is 'b' in this linear equation? y= 5x - 6

• 6

• 5

• y

• -6

When graphing, one always marks FIRST

• the y-intercept on the y-axis

• the slope on the y-axis

• the y-intercept on the x-axis

• the slope on the x-axis

When graphing, one always starts counting the slope

• from the origin (0,0)

• on the y-axis

• from the y-intercept

• on the x-axis

Which equation shows a slope of -2 and the y-intercept of 3?

• y = -2x - 3

• y = -2x + 3

• y = 3x - 2

• y = 3x + 2

Which graph below shows a zero slope?

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Which graph below shows an undefined slope?

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Which graph below shows a positive slope?

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