x and y intercepts

x and y intercepts are used for ______________.

• graphing lines

• plugging in numbers

• drawing pictures

• solving equations

What is an x-intercept?

• where the line crosses the coordinate plane.

• the origin (0, 0).

• where the line crosses the x-axis.

• where the line crosses the y-axis.

How do you find the x-intercept?

• you solve for x.

• you solve for y.

• you plug zero in for x and solve for y.

• you plug zero in for y and solve for x.

Which ordered pair could represent a y-intercept on a graph?

• (6, 0)
• (0, 4)
• (-1, 3)
• (2, 0)

What is the y-intercept shown on the graph?

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

What is the x-intercept shown on the graph?

• (2, 0)
• (-2, 0)
• (0, 3)
• (3, 0)

Identify the y-intercept of the following linear equation written in standard form.

9x + 3y = -18

• (0, -6)

• (-6, 0)

• (-2, 0)

• (0, -2)

Identify the x-intercept of the following linear equation written in standard form.

-8x - 4y = 8

• (-1, 0)

• (0, -1)

• (-2, 0)

• (0, -2)

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

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

• (0, 0)
• (0, 2)
• (4, 0)
• (2, 0)