Quadratic Zero

x² + 44 = -15x

• {-8, 2}

• {-7, 5}

• {-11, -4}

• {-11}

x² + 4 = 68

• ± 8

• ± √8

• 8

• ± 64

Which coordinate point best represents the vertex of the parabola?

• (-4, 0)

• (-1, -9)

• (0, -8)

• (2, 0)

What are the x-intercept(s) of the parabola shown on the grid?

• (-1,0) and (-3,0)

• (1,0) and (3,0)

• (0,-3)

• (0,1) and (0,3)

What is the equation for axis of symmetry?

• y=3

• x=3

• x=5

• x=1

What is the domain of the graph?

• All real numbers

• To infinity and beyond

• y ≥ 0

• x ≥ 0

What are the green dots called?

• axis of symmetry

• vertex

• parabola

• roots or x-intercepts

Which is a zero of the graph?

• 0

• -1

• 1.5

• -3

How many solutions does this function have?

• two

• one

• all real numbers

• no real solutions

Solve
x² + 9x + 20 = 0

• x = -2, x = -10

• x = -3, x = -4

• x = -4, x = -5

• x = -4, x = -6