quadratics

Factor

 $6x^2-11x-10$  

Factor

 $2x^2+72$  

Factor

 $2x^2+9x+10$  

Identify the vertex and whether the graph opens up or down.

• (-1, 4); opens up
• (-1, 4); opens down
• (1, 4); opens up
• (1, 4); opens down

What is the range of the graph?

• all real numbers

• y≤-1

• y≥-1

• y≥3

The graph below describes a ball that was kicked. Which of the following is a true statement describing the graph? 

• The ball was kicked from 500 centimeters from the ground and it traveled for 4 seconds.
• The ball was kicked from the ground and it was in the air for 4 seconds. 
• The ball had a maximum height of 2000 centimeters and it was in the air for a total of 2 seconds. 
• The ball had a maximum height of 1000 centimeters and it was in the air for 4 seconds. 

What is the domain of the graph?

• x≤4

• x>4

• x>0

• all real numbers

What is the maximum value of the function shown?

• 4

• 3

• 1

• -3

Use the graph to determine the solutions of the equation

0 = x² - 5x + 1

• 0 and 5

• 0.5 and 4.5

• 0.2 and 4.8

• 1 and 7

What is the factored form of the quadratic equation

 $x^{2\ }+x\ -56=0$  

•  $\left(x\ -7\right)\left(x+8\right)$  

•  $\left(x+7\right)\left(x-8\right)$  

•  $\left(x-1\right)\left(x+55\right)$  

•  $\left(x+4\right)\left(x-14\right)$