Quadratics Review

x-intercepts are also called:

Choose ALL that apply!

• Solutions

• Roots

• Zeros

• Parabolas

• Puppies

What are the solutions, zeros, or x-intercepts of the graph?

• (-4,0) and (0,0)

• (0,0) and (4,0)

• (-2,-2)

• None

What are the real roots (solutions) of the quadratic y = 2x²+4x+5

• (−1, 3)

• (0,5)

• (5,0)

• (3,-1)

• No real roots

Answer explanation

What are the real roots (solutions) of the quadratic y = 2x²+4x+5

• (−1, 3)

• (0,5)

• (5,0)

• (3,-1)

• No real roots

Answer explanation

• a = 4

• b = 5

• c = 9

• b = -5

• c = -9

• There are no errors. It is correct.

• x = -2

• x = 2

• y = 2

• y = -2

• y= 2x +1

Answer explanation

• x = -4
• x = 4
• y = 4
• y = -4

• (-2, 16)
• (2, 0)
• (2, 4)
• (-2, 4)