Alg 2 Practice Graphing Quadratics

What is the equation for axis of symmetry?

• y=3
• x=3
• x=5
• x=1

Tags

CCSS.HSA.REI.B.4

CCSS.HSG.GPE.A.2

Standard form of a quadratic equation

• y=x²
• y=ax²+bx+c
• y=mx+b
• y=x

Tags

CCSS.HSA.CED.A.1

CCSS.HSA.SSE.A.2

CCSS.HSA.SSE.B.3

Your quadratic function has a discriminant of -17. How many x-intercepts does your graph have?

• 2

• 1

• 0

• Not enough information

Does the equation open or or down? 
Y = -3x² +7x - 2

• up
• down

What is the y-intercept?
f(x) = -2x² + 4x - 6

• (0, 6)
• (0, -6)
• (6, 0)
• (-6, 0)

What is the axis of symmetry?
f(x) = x² - 8x + 15.

• x = -4
• x = 4
• y = 4
• y = -4

What is the vertex?
f(x) = -x² - 4x + 12.

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

What is the vertex?

• (2, 4)
• (3, -1)
• (0, 8)
• (4, 2)

Find the vertex of the quadratic:
y = -2x² + 4x + 3

• (0, 3)
• (-1, 5)
• (1, 5)
• (1, -5)

What is the domain?

• (-4,2)

• [-4,2]

• All real numbers

• It has no domain