Unit 3.4 Practice

Which ordered pair could represent the x-intercept of a function.

• (0, 4)
• (4, 4)
• (4, 0)
• None of these.

Which ordered pair could represent the y-intercept of a function.

• (0, 4)
• (4, 4)
• (4, 0)
• None of these.

What is the zero shown on the graph?

• (2, 0)

• (-2, 0)

• (0, 3)

• (3, 0)

What is the y-intercept shown on the graph?

• (0, -2)
• (3, 0)
• (0, 3)
• None of these.

In the equation y=mx+b,
what does m represent?

• Nothing in particular
• The y-intercept
• The x-intercept
• Slope

Name the slope

• 2
• -2
• 1/2
• 1/2x

In the equation y=mx+b,
what does b represent?

• Slope
• x-intercept
• y-intercept
• Nothing significant 

If m=3 and b=6, what is the correct slope intercept equation?

• y=3-6
• y=3x-6
• y=3x+6
• y=6x+3

What is the equation of this line?

• y = 2x +2
• y = 2x -2
• y = -x + 2
• Cannot be Determined

Write the equation of the line.

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