CHAPTER 2 QUADRATIC FUNCTIONS (ADD MATH F4 KSSM)

• A

• B

• C

• D

The graph of a quadratic function is called

• a line
• a hyperbola
• a parabola
• a cubic

Determine the values of

a, b, and c for the following quadratic equation 

 $4x^2-8x=3$  

•  $a=4,\ b=-8,\ c=3$  
  

•  $a=4,\ b=-8,\ c=-3$  
  

•  $a=4,\ b=8,\ c=3$  
  

•  $a=4,\ b=8,\ c=-3$  
  

Does the following quadratic equation have a maximum or minimum value? How can you tell?

 $y=x²+2x-3$  

• Minimum value, because the a value is positive

• Maximum value, because the b value is positive

• Maximum value, because the a value is positive

• Minimum value, because the c value is negative

What is the vertex form for a vertex of $(-3,-5)$ and when  $a=-2$  ?

•  $y=-2(x-3)^2+5$  
  

•  $y=-2(x+3)^2+5$  
  

•  $y=-2(x+3)^2-5$  
  

•  $y=-2(x-3)^2-5$  

Convert to vertex form.

• $y=3(x+1)^2-8$

• $y=3(x-1)^2-8$
  

• $y=3(x+2)^2-8$
  

• $y=3(x-2)^2-8$
  

Determine the type of roots of the following graph of function

• Two real and different roots

• Two real and equal roots

• No real roots

Determine the type of roots for the following quadratic function when f(x) = 0.

 $f\left(x\right)=-2x^2+3x+5$  

• Two real and different roots

• Two real and equal roots

• No real roots

Find the possible value of h if the graphs of the following quadratic function touch the x-axis at only one point.

 $f(x)=x^2-(h+3)x+3h+1$  

•  $1,\ 5$  
  

•  $-1,\ 5$  
  

•  $1,-5$  
  

•  $-1,-5$  
  

The diagram on the right shows the graph of quadratic function

 $f\left(x\right)=a\left(x+h\right)^2+k$  
Find the values of contant a, h and k.

•  $a=−1,\ h=−2,\ k=16$  
  

•  $a=−1,\ h=−2,\ k=−16$  
  

•  $a=1,\ h=2,\ k=16$  
  

•  $a=−1,\ h=2,\ k=16$