Linear Equations (Slope-Intercept Form & Standard Form)

Find the x and y intercepts
4x - 5y = 40

• x intercept is 10 
  y intercept is 8
• x intercept is 10
  y intercept is 20
• x intercept is 8
  y intercept is 10
• x intercept is 10
  y intercept is -8

What is the formula for standard form?

• y=mx+b
• y-y₁=m(x-x₁)
• Ax+By=C
• rise÷run

What is the y-intercept of the graph of 3x+4y=24

• -6

• 6

• 15

• -15

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

What is the x- intercept of the graph of 3x+4y=24

• 12

• 8

• -12

• -8

Write the following equation in slope-intercept form:
4x - 3y = 12

• y = -4/3x + 3
• y = -4x + 12
• y = 4/3x - 4
• y = 4/3x - 12

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

Find the slope and y-intercept:

6x + -2y = 18

• slope = -6, y-intercept = -2
• slope = -3, y-intercept = 9
• slope = 3, y -intercept = -9
• slope = 6, y-intercept = 3

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

What information is enough to be able to graph a line?

• two points

• slope and y-intercept

• x- and y-intercepts

• a point and a dream

Find the slope of the line.

• -5/4
• 5/4
• -4/5
• 4/5

Tags

CCSS.8.EE.B.5

What type of slope does the graph have?

• Zero
• Undefined
• Negative
• Positive

Tags

CCSS.8.EE.B.5

Write the equation of the line.

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