Graph Standard Form of Equations

Standard form of a quadratic equation

• y=x²

• y=ax²+bx+c

• y=mx+b

• y=x

Does this parabola have a maximum or minimum?

• Maximum

• Minimum

The formula x = -b/2a is used to find

• the roots

• the x-value of the vertex

• the y-intercept

• the axis of symmetry

Graph the quadratic.

• A

• B

• C

• D

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

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

• 12

• 8

• -12

• -8

What is the x 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

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