9.5 Quizizz

Revenue depends on demand which depends on price.  While expense and demand functions are linear functions, revenue is a NONLINEAR function.  Revenue is a

• Linear Function

• Quadratic Function

• Cubic Function

• Secondary Equation

The graph of a quadratic equation is a

• Line

• Parabola

• Circle

• Polynomial

The point where the parabola changes from decreasing to increasing (or from increasing to decreasing) is called the _.

If the leading coefficient in a quadratic equation is positive, then the parabola opens ____ and the lowest point (vertex) is called the ____.

• Up Minimum

• Up Maximum

• Down Minimum

• Down Maximum

If the leading coefficient in a quadratic equation is negative, then the parabola opens ____ and the lowest point (vertex) is called the ____.

• Up Minimum

• Up Maximum

• Down Minimum

• Down Maximum

The vertical line that can be drawn through the vertex of the parabola so that the bisected halves of the parabola are mirror images of each other is called the

• Mirror Line

• Symmetry

• Axis of Symmetry

• Reflector

How do you calculate the axis of symmetry?

• x = -b/(2a)

• y = -a/2b

• x = -b/a

• x = b/(2a)

Xing and Xia started a small business that makes microwavable tea pods.  Each pod costs $1.00 to manufacture.  The fixed costs are $1500.  They have determined the demand function to be q = -1000p + 8500, where p is the price for each pod. 

The expense equation in terms of DEMAND is

• E = -1000p + 8500

• E = q + 1500

• E = -1000p + 1500

• E = 1500 + 85000

The expense equation is a

• Line

• Parabola

• Cubic

E = 3q + 10000 has a slope of

• 3

• 10000

• 10003

• 30000