Maths Quiz

What is a relation?

• A set of ordered pairs

• The set of all x values

• The set of all y values

• None of the above

Another name for all the x values is

• Range

• Ordered

• Domain

• x values

A manufacturer makes several cars is an example of what type of relation

• Many to Many

• One to One

• Many to One

• One to Many

What type of relation is shown above?

• many to one

• one to many

• one to one

• many to many

Given that the set of x values are is -1, 0, 1 and the relation is x -5. what is the set of y values?

• 6, 5, 4

• -6, -5, -4

• 4, -5, -4

• None of the above

Several companies have a single owner is an example of what type of relation?

• One to one

• Many to one

• Many to many

• One to many

 The general form for a quadratic equation is

•  $ax^{ }\ +\ bx\ +\ c\ =\ 0$  

•  $ax^{3\ }+\ bx\ +\ c\ =\ 0$  

•  $bx\ +\ c\ +\ ax^{2^{ }}=\ 0$  

•  $-b\pm\frac{\sqrt{b^2-4ac}}{2a}$  

 $3x\ +\ 10\ =\ -5\ =$  

• -5

• 5

• 15

• -15

 $10x^2\ -\ 4x\ =\ 12$  Given the qudratic formula, what is the value of a, b and c from the equation 

•  $a\ =\ 10,\ b\ =\ -4\ and\ c\ =\ 12$  

•  $a=10,\ b=-4\ and\ c=-12$  

•  $a=10,\ b=-4,\ c=0$  

•  $a\ =\ -4,\ b=10\ and\ c=\ 12$  

 $7x^2\ +\ 2x\ -10x^2\$  Simplify the following expression 

•  $-2x^2$  

•  $-3x^2\ +\ 2x$  

•  $17x^2\ +\ 2x$  

•  $-17x^2+2x$