Quadratics (pt 2) Test Review

What are the solutions/ x-intercepts?

• 0 and 4

• 2 and 4

• 0

• 2 and 4

What is the standard form of a quadratic equation?

• y=x²

• y=ax²+bx+c

• y=(x+h)²+k

• y= (x+a)(x+b)

For the quadratic y = -x² - 4x + 5, What is the y-intercept?

• (0, 5)
• (5, 0)
• (-2, 9)
• (-5, 1)

What is the green dashed line called?

• roots or x-intercepts
• parabola
• axis of symmetry
• line of dashes

Factor:

x² + 5x - 24

• (x - 8)(x + 3)

• (x + 8)(x - 3)

• (x + 6)(x - 4)

• (x + 12)(x - 2)

What are the green dots called?

• axis of symmetry
• vertex
• parabola
• roots or x-intercepts

What are the ZEROS (x-intercepts) of this parabola?

• (3, 0) and (1, 0)

• (8, 0) and (-1, 0)

• (0, -3) and (0, 1)

• (-3, 0) and (1, 0)

What is the vertex of this parabola?

• (4, 1)

• (1, 4)

• (0, 2)

• (0, 0)

Solve by factoring: x² - 9x + 20 = 0

• x = -4 and x = -5

• x = 20 and x = -9

• x = 4 and x = 5

• x = -4 and x = 5

If given the equation y = 3(x + 5)² - 4, what is the vertex of the parabola?

• (5, -4)
• (-5, -4)
• (-15, -4)
• (15, -4)