Quadratic Functions

Use the graph to determine the roots.

• -1 and -3

• 1 and -3

• 1 and 3

• -1 and 3

What is the equation of the axis of symmetry for the quadratic graph?

• y = −3
• x = −3
• x = 1
• y = 1

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)

What is the vertex of
y=x²+4x+3?

• (2,1)
• (-2,1)
• (0,0)
• (-2,-1)

What is the axis of symmetry of
y=2x²-4x+9?

• x = 1
• x = -1
• x = -2
• x = 4

What is the domain?

• -3 < y ≤ 3
• -4 ≤ y ≤ 5
• -4 ≤ x ≤ 5
• -3 < x ≤ 3

What is the range?

• -3 < y ≤ 3
• -4 ≤ y < 5
• -4 ≤ y ≤ 5
• -3 < y ≤ 3

Write the equation of the quadratic function that has a vertex of (-2, 6) and passes through the point (-1, 3).

• y = 1/3 (x + 2)² + 6
• y = -3(x + 2)² + 6
• y = -3(x - 2)² + 6
• y = -(x + 1)² + 3

Tags

CCSS.HSA.CED.A.1

CCSS.HSA.CED.A.2

CCSS.HSA.SSE.A.1

What is he vertex of the graph?

• (0, -3)

• (1, 0)

• (3, 0)

• (2, 1)