Ch16.2

Solve the following quadratic equations by the graphical method.

• 1 and 3

• No real solutions

• 1 and 2

• 2 and 3

Solve the following quadratic equations graphically.

• -2 and 1

• 1 and 2

• • - 2 and 2

• No real solutions

Solve the following quadratic equations graphically.

• • - 4

• • - 2

• • - 4 and - 2

• No real solutions

Solve the following quadratic equations graphically

• 2

• No real solutions

• All real numbers

• 4

Solve the following quadratic equations graphically

• No real solutions

• All real numbers

• 10

• • - 3

Which graph is for y = ax² + bx + c ( a > 0 )

• 
• 
• 
• 

Which graph is for y = ax² + bx + c ( a < 0 )

• 
• 
• 
• 

Find the number of x-intercepts of the graph of y = ax² + bx + c.

• 0

• 1

• 2

• 3

Find the number of x-intercepts of the graph of y = ax² + bx + c.

• 0

• 1

• 2

• 3

Find the number of x-intercepts of the graph of y = ax² + bx + c.

• 0

• 1

• 2

• 3