Self-test Questions


1	The intercept is where the function crosses:

		A)	the x-axis.
		B)	the roots.
		C)	the equator.
		D)	the y-axis.
		E)	the equation.

2	Which formula is used to find the roots of a quadratic function

		A)
		B)
		C)
		D)
		E)

3	The turning point of a quadratic never lies between the roots of a quadratic function.

		A)	TRUE
		B)	FALSE

4	Differentiation can be used to find:

		A)	The slope of a function.
		B)	The turning points of a function.
		C)	The roots of a function.
		D)	A and B.
		E)	A and C.

5	The turning points of y=f(x) occur when dy/dx=0.

		A)	TRUE
		B)	FALSE

6	The ________ is defined as (change in the dependent variable)/(change in the independent variable).

		A)	Slope
		B)	Turning point
		C)	Area under the curve
		D)	Differential
		E)	Marginal

7	If then what is dy/dx?

		A)
		B)
		C)
		D)
		E)

8	Arc elasticity tells us the exact elasticity at a point on a function.

		A)	TRUE
		B)	FALSE

9	If demand is defined by a function of price as D = 120-(0.2)p, what is the price elasticity when p = 50?

		A)	0.2
		B)	-0.09
		C)	0
		D)	-1
		E)	0.09

10	If at a point on a curve dy/dx=0 and is greater than 0 then the point is:

		A)	a local minimum.
		B)	where the slope crosses the y axis.
		C)	a root of the function.
		D)	a local maximum.
		E)	a local point of inflection.

11	The slope has only one turning point, which is a minimum.

		A)	TRUE
		B)	FALSE

12	What is

		A)
		B)
		C)	3x+K
		D)
		E)	6x+K

13	Definite integration helps us to:

		A)	find the roots of an equation.
		B)	find the elasticity of a function.
		C)	find the value of the constant of integration.
		D)	find the slope of a function.
		E)	find the area between a curve and the x-axis.

14	If then what is

		A)	The turning point with respect to
		B)	The definite integral of y with respect to
		C)	The second order derivative of y with respect to
		D)	The first order partial derivative of y with respect to
		E)	The total derivative

15	If and then y has a local maximum.

		A)	TRUE
		B)	FALSE

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