Zeros, roots and intercepts

Zeros, roots and intercepts

by Kate Abernathie

​Vocab Review!

​x-intercepts: the point where the line crosses the x-axis. (-2,0)

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​y-intercepts: the point where the line crosses the y-axis (0,2)

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​Zeros: same thing as the x-intercepts

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​Roots-same thing as x-intercepts

Multiple Choice

What is the y-intercept?

• 2
• 3
• 4
• -2

Multiple Choice

What is the y-intercept?

• -1
• 3
• -3
• -2

Multiple Choice

What are the zeros?

• x= 0 and x= -4
• x= 0 and x= 4
• y= 0
• x= 2

Multiple Choice

Give the y-intercept

• (2,0)
• (-2,0)
• (0,-2)
• there is no y-intercept

​What if we don't have a graph?!

Find the x and y intercepts of the following: 6y+3x=18​

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​Ideas?!

Multiple Choice

What is the x and y intercept for the following equation ?
4x - 10y = 20

• x - int = 4    
  y-int = -10
• x-int = 5
  y-int = 2
• x - int = 5
  y int = -2
• x -int = 4
  y -int = -10

Multiple Choice

Give the y-intercept
y = 3x + 8

• (8, 0)
• (0, 8)
• (3, 0)
• (0, 3)

Multiple Choice

Give the x-intercept
3x + 8y = 24

• (8, 0)
• (0, 8)
• (3, 0)
• (0, 3)

Multiple Choice

What is the y-intercept in the equation x + 2y = 4

• (0, 0)
• (0, 2)
• (4, 0)
• (2, 0)